v3.22.4
Parent Company Only Condensed Consolidating Statements of Cash Flows (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
NET CASH FLOWS FROM OPERATING ACTIVITIES $ 14,925 $ 16,239 $ 14,562  
CASH FLOWS FROM INVESTING ACTIVITIES:        
Net cash flows from investing activities (9,114) (7,754) (8,157)  
CASH FLOWS FROM FINANCING ACTIVITIES:        
Proceeds from exercise of stock options 5 44 184  
Issuance of equity 0 0 23  
Purchase of treasury stock (10,277) (15,431) (11,217)  
Net cash flows from related party loans 306 (1) (1)  
Net cash flows from financing activities (5,767) (8,885) (8,953)  
NET INCREASE IN CASH AND CASH EQUIVALENTS 44 (400) (2,548)  
CASH AND CASH EQUIVALENTS, beginning of period 645 601 1,001 $ 3,549
CASH AND CASH EQUIVALENTS, end of period 645 601 1,001 3,549
Parent Company [Member]        
NET CASH FLOWS FROM OPERATING ACTIVITIES (1,247) (84) (49)  
CASH FLOWS FROM INVESTING ACTIVITIES:        
Contribution to subsidiaries (33) (44) (208)  
Distributions from subsidiaries 11,246 15,516 11,268  
Net cash flows from investing activities 11,213 15,472 11,060  
CASH FLOWS FROM FINANCING ACTIVITIES:        
Proceeds from exercise of stock options 5 44 184  
Issuance of equity 0 0 23  
Purchase of treasury stock (10,277) (15,431) (11,217)  
Net cash flows from financing activities (9,966) (15,388) (11,011)  
NET INCREASE IN CASH AND CASH EQUIVALENTS 0 0 0  
CASH AND CASH EQUIVALENTS, beginning of period 0 0 0 0
CASH AND CASH EQUIVALENTS, end of period $ 0 $ 0 $ 0 $ 0