v3.22.4
Pension and Postretirement Benefit Plans - Pension Asset Fair Values (Details)
$ in Millions
12 Months Ended
Dec. 31, 2022
USD ($)
standardPlan
country
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Qualified and Non-qualified Pension Benefits      
Benefit Plan Information      
Company-sponsored retirement plans, number of countries | country 28    
Qualified and Non-qualified Pension Benefits | United States | Funded      
Benefit Plan Information      
Fair value of plan assets $ 12,648 $ 16,953 $ 17,127
Qualified and Non-qualified Pension Benefits | International      
Benefit Plan Information      
Company-sponsored retirement plans, minimum number of international plans | standardPlan 70    
Company-sponsored retirement plans, number of countries | country 25    
Qualified and Non-qualified Pension Benefits | International | Funded      
Benefit Plan Information      
Fair value of plan assets $ 5,891 8,016 8,194
Qualified and Non-qualified Pension Benefits | Defined Benefit Plan Assets, Excluding Reconciling Items | United States | Funded      
Benefit Plan Information      
Fair value of plan assets 12,788 17,169  
Qualified and Non-qualified Pension Benefits | Defined Benefit Plan Assets, Excluding Reconciling Items | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 2,234 4,849  
Qualified and Non-qualified Pension Benefits | Defined Benefit Plan Assets, Excluding Reconciling Items | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 5,909 6,543  
Qualified and Non-qualified Pension Benefits | Defined Benefit Plan Assets, Excluding Reconciling Items | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Defined Benefit Plan Assets, Excluding Reconciling Items | International | Funded      
Benefit Plan Information      
Fair value of plan assets 6,166 8,138  
Qualified and Non-qualified Pension Benefits | Defined Benefit Plan Assets, Excluding Reconciling Items | International | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 554 1,031  
Qualified and Non-qualified Pension Benefits | Defined Benefit Plan Assets, Excluding Reconciling Items | International | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 3,896 4,753  
Qualified and Non-qualified Pension Benefits | Defined Benefit Plan Assets, Excluding Reconciling Items | International | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 447 534  
Qualified and Non-qualified Pension Benefits | Equities | United States | Funded      
Benefit Plan Information      
Fair value of plan assets 1,142 3,744  
Qualified and Non-qualified Pension Benefits | Equities | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 871 3,340  
Qualified and Non-qualified Pension Benefits | Equities | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Equities | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Equities | International | Funded      
Benefit Plan Information      
Fair value of plan assets 543 1,500  
Qualified and Non-qualified Pension Benefits | Equities | International | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 288 750  
Qualified and Non-qualified Pension Benefits | Equities | International | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 252 743  
Qualified and Non-qualified Pension Benefits | Equities | International | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 2 5  
Qualified and Non-qualified Pension Benefits | Equities | International | Fair Value Measured at Net Asset Value Per Share | Funded      
Benefit Plan Information      
Fair value of plan assets 1 2  
Qualified and Non-qualified Pension Benefits | U.S. equities | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 501 1,875  
Qualified and Non-qualified Pension Benefits | U.S. equities | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | U.S. equities | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | U.S. equities | United States | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 501 1,875  
Qualified and Non-qualified Pension Benefits | Non-U.S. equities | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 370 1,465  
Qualified and Non-qualified Pension Benefits | Non-U.S. equities | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Non-U.S. equities | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Non-U.S. equities | United States | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 370 1,465  
Qualified and Non-qualified Pension Benefits | Index and long/short equity funds | United States | Fair Value Measured at Net Asset Value Per Share | Funded      
Benefit Plan Information      
Fair value of plan assets 271 404  
Qualified and Non-qualified Pension Benefits | Growth equities | International | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 59 315  
Qualified and Non-qualified Pension Benefits | Growth equities | International | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 99 181  
Qualified and Non-qualified Pension Benefits | Growth equities | International | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Growth equities | International | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 158 496  
Qualified and Non-qualified Pension Benefits | Value equities | International | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 164 328  
Qualified and Non-qualified Pension Benefits | Value equities | International | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 11 15  
Qualified and Non-qualified Pension Benefits | Value equities | International | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Value equities | International | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 175 343  
Qualified and Non-qualified Pension Benefits | Core equities | International | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 65 107  
Qualified and Non-qualified Pension Benefits | Core equities | International | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 142 547  
Qualified and Non-qualified Pension Benefits | Core equities | International | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 2 5  
Qualified and Non-qualified Pension Benefits | Core equities | International | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 209 659  
Qualified and Non-qualified Pension Benefits | Fixed Income | United States | Funded      
Benefit Plan Information      
Fair value of plan assets 7,248 7,939  
Qualified and Non-qualified Pension Benefits | Fixed Income | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 1,354 1,439  
Qualified and Non-qualified Pension Benefits | Fixed Income | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 5,803 6,368  
Qualified and Non-qualified Pension Benefits | Fixed Income | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Fixed Income | International | Funded      
Benefit Plan Information      
Fair value of plan assets 4,303 4,920  
Qualified and Non-qualified Pension Benefits | Fixed Income | International | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 134 127  
Qualified and Non-qualified Pension Benefits | Fixed Income | International | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 3,542 3,886  
Qualified and Non-qualified Pension Benefits | Fixed Income | International | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 4 14  
Qualified and Non-qualified Pension Benefits | Fixed Income | International | Fair Value Measured at Net Asset Value Per Share | Funded      
Benefit Plan Information      
Fair value of plan assets 623 893  
Qualified and Non-qualified Pension Benefits | U.S. government securities | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 1,344 1,417  
Qualified and Non-qualified Pension Benefits | U.S. government securities | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 29 716  
Qualified and Non-qualified Pension Benefits | U.S. government securities | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | U.S. government securities | United States | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 1,373 2,133  
Qualified and Non-qualified Pension Benefits | Non-U.S. government securities | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Non-U.S. government securities | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 70 89  
Qualified and Non-qualified Pension Benefits | Non-U.S. government securities | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Non-U.S. government securities | United States | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 70 89  
Qualified and Non-qualified Pension Benefits | Non-U.S. government securities | International | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 29 22  
Qualified and Non-qualified Pension Benefits | Non-U.S. government securities | International | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 327 458  
Qualified and Non-qualified Pension Benefits | Non-U.S. government securities | International | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Non-U.S. government securities | International | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 356 480  
Qualified and Non-qualified Pension Benefits | Preferred and convertible securities | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Preferred and convertible securities | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 44 54  
Qualified and Non-qualified Pension Benefits | Preferred and convertible securities | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Preferred and convertible securities | United States | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 44 54  
Qualified and Non-qualified Pension Benefits | Domestic government | International | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 73 73  
Qualified and Non-qualified Pension Benefits | Domestic government | International | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 1,060 1,039  
Qualified and Non-qualified Pension Benefits | Domestic government | International | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 3 4  
Qualified and Non-qualified Pension Benefits | Domestic government | International | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 1,136 1,116  
Qualified and Non-qualified Pension Benefits | U.S. corporate bonds | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 11  
Qualified and Non-qualified Pension Benefits | U.S. corporate bonds | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 4,789 4,620  
Qualified and Non-qualified Pension Benefits | U.S. corporate bonds | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | U.S. corporate bonds | United States | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 4,789 4,631  
Qualified and Non-qualified Pension Benefits | Non-U.S. corporate bonds | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Non-U.S. corporate bonds | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 871 883  
Qualified and Non-qualified Pension Benefits | Non-U.S. corporate bonds | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Non-U.S. corporate bonds | United States | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 871 883  
Qualified and Non-qualified Pension Benefits | Corporate debt securities | International | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 32 32  
Qualified and Non-qualified Pension Benefits | Corporate debt securities | International | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 2,155 2,389  
Qualified and Non-qualified Pension Benefits | Corporate debt securities | International | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 1 10  
Qualified and Non-qualified Pension Benefits | Corporate debt securities | International | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 2,188 2,431  
Qualified and Non-qualified Pension Benefits | Derivative instruments | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 10 11  
Qualified and Non-qualified Pension Benefits | Derivative instruments | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 6  
Qualified and Non-qualified Pension Benefits | Derivative instruments | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Derivative instruments | United States | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 10 17  
Qualified and Non-qualified Pension Benefits | Other | United States | Fair Value Measured at Net Asset Value Per Share | Funded      
Benefit Plan Information      
Fair value of plan assets 91 132  
Qualified and Non-qualified Pension Benefits | Private Equity | United States | Funded      
Benefit Plan Information      
Fair value of plan assets 1,700 2,061  
Qualified and Non-qualified Pension Benefits | Private Equity | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 58  
Qualified and Non-qualified Pension Benefits | Private Equity | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Private Equity | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Private Equity | International | Funded      
Benefit Plan Information      
Fair value of plan assets 438 454  
Qualified and Non-qualified Pension Benefits | Private Equity | International | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 2 2  
Qualified and Non-qualified Pension Benefits | Private Equity | International | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 50 58  
Qualified and Non-qualified Pension Benefits | Private Equity | International | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 2 5  
Qualified and Non-qualified Pension Benefits | Growth equity | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 58  
Qualified and Non-qualified Pension Benefits | Growth equity | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Growth equity | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Growth equity | United States | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 58  
Qualified and Non-qualified Pension Benefits | Real estate | International | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 2 2  
Qualified and Non-qualified Pension Benefits | Real estate | International | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 50 58  
Qualified and Non-qualified Pension Benefits | Real estate | International | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 2 5  
Qualified and Non-qualified Pension Benefits | Real estate | International | Fair Value Measured at Net Asset Value Per Share | Funded      
Benefit Plan Information      
Fair value of plan assets 119 163  
Qualified and Non-qualified Pension Benefits | Real estate | International | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 54 65  
Qualified and Non-qualified Pension Benefits | Partnership investments | United States | Fair Value Measured at Net Asset Value Per Share | Funded      
Benefit Plan Information      
Fair value of plan assets 1,700 2,003  
Qualified and Non-qualified Pension Benefits | Partnership investments | International | Fair Value Measured at Net Asset Value Per Share | Funded      
Benefit Plan Information      
Fair value of plan assets 265 226  
Qualified and Non-qualified Pension Benefits | Absolute Return | United States | Funded      
Benefit Plan Information      
Fair value of plan assets 1,880 2,727  
Qualified and Non-qualified Pension Benefits | Absolute Return | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 1 1  
Qualified and Non-qualified Pension Benefits | Absolute Return | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 85 166  
Qualified and Non-qualified Pension Benefits | Absolute Return | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Absolute Return | International | Funded      
Benefit Plan Information      
Fair value of plan assets 707 1,072  
Qualified and Non-qualified Pension Benefits | Absolute Return | International | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 8 7  
Qualified and Non-qualified Pension Benefits | Absolute Return | International | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 1 20  
Qualified and Non-qualified Pension Benefits | Absolute Return | International | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 439 510  
Qualified and Non-qualified Pension Benefits | Derivatives | International | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Derivatives | International | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 1 20  
Qualified and Non-qualified Pension Benefits | Derivatives | International | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Derivatives | International | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 1 20  
Qualified and Non-qualified Pension Benefits | Insurance | International | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Insurance | International | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Insurance | International | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 438 504  
Qualified and Non-qualified Pension Benefits | Insurance | International | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 438 504  
Qualified and Non-qualified Pension Benefits | Fixed income and other | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 1 1  
Qualified and Non-qualified Pension Benefits | Fixed income and other | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 85 166  
Qualified and Non-qualified Pension Benefits | Fixed income and other | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Fixed income and other | United States | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 86 167  
Qualified and Non-qualified Pension Benefits | Hedge fund/fund of funds | United States | Fair Value Measured at Net Asset Value Per Share | Funded      
Benefit Plan Information      
Fair value of plan assets 1,297 1,943  
Qualified and Non-qualified Pension Benefits | Partnership investments | United States | Fair Value Measured at Net Asset Value Per Share | Funded      
Benefit Plan Information      
Fair value of plan assets 497 617  
Qualified and Non-qualified Pension Benefits | Other | International | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 8 7  
Qualified and Non-qualified Pension Benefits | Other | International | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Other | International | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 1 6  
Qualified and Non-qualified Pension Benefits | Other | International | Fair Value Measured at Net Asset Value Per Share | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Other | International | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 9 13  
Qualified and Non-qualified Pension Benefits | Hedge funds | International | Fair Value Measured at Net Asset Value Per Share | Funded      
Benefit Plan Information      
Fair value of plan assets 259 535  
Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents | United States | Funded      
Benefit Plan Information      
Fair value of plan assets 818 698  
Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 8 11  
Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 21 9  
Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents | International | Funded      
Benefit Plan Information      
Fair value of plan assets 175 192  
Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents | International | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 122 145  
Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents | International | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 51 46  
Qualified and Non-qualified Pension Benefits | Cash and Cash Equivalents | International | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Cash and cash equivalents | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 8 11  
Qualified and Non-qualified Pension Benefits | Cash and cash equivalents | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 22 9  
Qualified and Non-qualified Pension Benefits | Cash and cash equivalents | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Cash and cash equivalents | United States | Fair Value Measured at Net Asset Value Per Share | Funded      
Benefit Plan Information      
Fair value of plan assets 789 678  
Qualified and Non-qualified Pension Benefits | Cash and cash equivalents | United States | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 30 20  
Qualified and Non-qualified Pension Benefits | Cash and cash equivalents | International | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 122 145  
Qualified and Non-qualified Pension Benefits | Cash and cash equivalents | International | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 51 46  
Qualified and Non-qualified Pension Benefits | Cash and cash equivalents | International | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Cash and cash equivalents | International | Fair Value Measured at Net Asset Value Per Share | Funded      
Benefit Plan Information      
Fair value of plan assets 2 1  
Qualified and Non-qualified Pension Benefits | Cash and cash equivalents | International | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 173 191  
Qualified and Non-qualified Pension Benefits | Repurchase agreements and derivative margin activity | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Repurchase agreements and derivative margin activity | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets (1) 0  
Qualified and Non-qualified Pension Benefits | Repurchase agreements and derivative margin activity | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Qualified and Non-qualified Pension Benefits | Repurchase agreements and derivative margin activity | United States | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets (1) 0  
Qualified and Non-qualified Pension Benefits | Other items to reconcile to fair value of plan assets | United States | Funded      
Benefit Plan Information      
Fair value of plan assets (140) (216)  
Qualified and Non-qualified Pension Benefits | Other items to reconcile to fair value of plan assets | International | Funded      
Benefit Plan Information      
Fair value of plan assets $ (275) (122)  
Postretirement Benefits | Funded      
Benefit Plan Information      
Percentage of plan assets within 401h account 72.00%    
Fair value of plan assets $ 1,017 1,353 $ 1,376
Postretirement Benefits | United States | Funded      
Benefit Plan Information      
Fair value of plan assets 1,017 1,353  
Postretirement Benefits | Defined Benefit Plan Assets, Excluding Reconciling Items | United States | Funded      
Benefit Plan Information      
Fair value of plan assets 1,023 1,363  
Postretirement Benefits | Defined Benefit Plan Assets, Excluding Reconciling Items | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 285 505  
Postretirement Benefits | Defined Benefit Plan Assets, Excluding Reconciling Items | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 467 546  
Postretirement Benefits | Defined Benefit Plan Assets, Excluding Reconciling Items | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Equities | United States | Funded      
Benefit Plan Information      
Fair value of plan assets 184 400  
Postretirement Benefits | Equities | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 168 372  
Postretirement Benefits | Equities | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Equities | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | U.S. equities | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 145 292  
Postretirement Benefits | U.S. equities | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | U.S. equities | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | U.S. equities | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 145 292  
Postretirement Benefits | Non-U.S. equities | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 23 80  
Postretirement Benefits | Non-U.S. equities | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Non-U.S. equities | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Non-U.S. equities | United States | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 23 80  
Postretirement Benefits | Index and long/short equity funds | United States | Fair Value Measured at Net Asset Value Per Share | Funded      
Benefit Plan Information      
Fair value of plan assets 16 28  
Postretirement Benefits | Fixed Income | United States | Funded      
Benefit Plan Information      
Fair value of plan assets 562 654  
Postretirement Benefits | Fixed Income | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 96 110  
Postretirement Benefits | Fixed Income | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 461 537  
Postretirement Benefits | Fixed Income | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | U.S. government securities | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 96 109  
Postretirement Benefits | U.S. government securities | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 73 180  
Postretirement Benefits | U.S. government securities | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | U.S. government securities | United States | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 169 289  
Postretirement Benefits | Non-U.S. government securities | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Non-U.S. government securities | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 5 7  
Postretirement Benefits | Non-U.S. government securities | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Non-U.S. government securities | United States | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 5 7  
Postretirement Benefits | U.S. corporate bonds | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 1  
Postretirement Benefits | U.S. corporate bonds | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 322 291  
Postretirement Benefits | U.S. corporate bonds | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | U.S. corporate bonds | United States | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 322 292  
Postretirement Benefits | Non-U.S. corporate bonds | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Non-U.S. corporate bonds | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 61 59  
Postretirement Benefits | Non-U.S. corporate bonds | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Non-U.S. corporate bonds | United States | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 61 59  
Postretirement Benefits | Other | United States | Fair Value Measured at Net Asset Value Per Share | Funded      
Benefit Plan Information      
Fair value of plan assets 5 7  
Postretirement Benefits | Private Equity | United States | Funded      
Benefit Plan Information      
Fair value of plan assets 99 110  
Postretirement Benefits | Private Equity | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 3  
Postretirement Benefits | Private Equity | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Private Equity | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Growth equity | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 3  
Postretirement Benefits | Growth equity | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Growth equity | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Growth equity | United States | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 3  
Postretirement Benefits | Partnership investments | United States | Fair Value Measured at Net Asset Value Per Share | Funded      
Benefit Plan Information      
Fair value of plan assets 99 107  
Postretirement Benefits | Absolute Return | United States | Funded      
Benefit Plan Information      
Fair value of plan assets 110 143  
Postretirement Benefits | Absolute Return | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Absolute Return | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 5 9  
Postretirement Benefits | Absolute Return | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Fixed income and other | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Fixed income and other | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 5 9  
Postretirement Benefits | Fixed income and other | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Fixed income and other | United States | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 5 9  
Postretirement Benefits | Hedge fund/fund of funds | United States | Fair Value Measured at Net Asset Value Per Share | Funded      
Benefit Plan Information      
Fair value of plan assets 76 102  
Postretirement Benefits | Partnership investments | United States | Fair Value Measured at Net Asset Value Per Share | Funded      
Benefit Plan Information      
Fair value of plan assets 29 32  
Postretirement Benefits | Cash and Cash Equivalents | United States | Funded      
Benefit Plan Information      
Fair value of plan assets 68 56  
Postretirement Benefits | Cash and Cash Equivalents | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 21 20  
Postretirement Benefits | Cash and Cash Equivalents | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 1 0  
Postretirement Benefits | Cash and Cash Equivalents | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Cash and cash equivalents | United States | Level 1 | Funded      
Benefit Plan Information      
Fair value of plan assets 21 20  
Postretirement Benefits | Cash and cash equivalents | United States | Level 2 | Funded      
Benefit Plan Information      
Fair value of plan assets 1 0  
Postretirement Benefits | Cash and cash equivalents | United States | Level 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 0 0  
Postretirement Benefits | Cash and cash equivalents | United States | Fair Value Measured at Net Asset Value Per Share | Funded      
Benefit Plan Information      
Fair value of plan assets 46 36  
Postretirement Benefits | Cash and cash equivalents | United States | Levels 1, 2 and 3 | Funded      
Benefit Plan Information      
Fair value of plan assets 22 20  
Postretirement Benefits | Other items to reconcile to fair value of plan assets | United States | Funded      
Benefit Plan Information      
Fair value of plan assets $ (6) $ (10)