v3.22.4
Pension and Postretirement Benefit Plans - Components of Net Periodic Benefit Cost and Other Information (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Non-operating expense      
Total net periodic benefit cost (benefit) $ (248) $ (297) $ (134)
Postretirement Benefits | Funded      
Operating expense      
Service cost 42 53 43
Non-operating expense      
Interest cost 52 43 62
Expected return on plan assets (72) (78) (80)
Amortization of transition asset 0 0 0
Amortization of prior service benefit (31) (33) (33)
Amortization of net actuarial loss 40 56 47
Settlements, curtailments, special termination benefits and other 2 3 3
Total non-operating expense (benefit) (9) (9) (1)
Total net periodic benefit cost (benefit) 33 44 42
Other changes in plan assets and benefit obligations recognized in other comprehensive (income) loss      
Amortization of transition asset 0 0 0
Prior service cost (benefit) 0 0 0
Amortization of prior service benefit 31 33 33
Net actuarial (gain) loss (166) (104) 108
Amortization of net actuarial loss (40) (56) (47)
Foreign currency 2 (1) (7)
Settlements, curtailments, special termination benefits and other (2) (3) (3)
Total recognized in other comprehensive (income) loss (175) (131) 84
Total recognized in net periodic benefit cost (benefit) and other comprehensive (income) loss (142) (87) 126
United States | Qualified and Non-qualified Pension Benefits | Funded      
Operating expense      
Service cost 256 286 261
Non-operating expense      
Interest cost 417 360 499
Expected return on plan assets (963) (1,055) (1,046)
Amortization of transition asset 0 0 0
Amortization of prior service benefit (24) (24) (24)
Amortization of net actuarial loss 424 529 491
Settlements, curtailments, special termination benefits and other 12 24 16
Total non-operating expense (benefit) (134) (166) (64)
Total net periodic benefit cost (benefit) 122 120 197
Other changes in plan assets and benefit obligations recognized in other comprehensive (income) loss      
Amortization of transition asset 0 0 0
Prior service cost (benefit) 0 0 0
Amortization of prior service benefit 24 24 24
Net actuarial (gain) loss 61 (614) 760
Amortization of net actuarial loss (424) (529) (491)
Foreign currency 0 0 0
Settlements, curtailments, special termination benefits and other (12) (23) (16)
Total recognized in other comprehensive (income) loss (351) (1,142) 277
Total recognized in net periodic benefit cost (benefit) and other comprehensive (income) loss (229) (1,022) 474
International | Qualified and Non-qualified Pension Benefits | Funded      
Operating expense      
Service cost 128 164 152
Non-operating expense      
Interest cost 125 98 117
Expected return on plan assets (271) (326) (306)
Amortization of transition asset 2 2 2
Amortization of prior service benefit 0 (3) (5)
Amortization of net actuarial loss 29 104 121
Settlements, curtailments, special termination benefits and other 10 3 1
Total non-operating expense (benefit) (105) (122) (70)
Total net periodic benefit cost (benefit) 23 42 82
Other changes in plan assets and benefit obligations recognized in other comprehensive (income) loss      
Amortization of transition asset (2) (2) (2)
Prior service cost (benefit) 8 1 0
Amortization of prior service benefit 0 3 5
Net actuarial (gain) loss (689) (434) (358)
Amortization of net actuarial loss (29) (104) (121)
Foreign currency (82) (71) 79
Settlements, curtailments, special termination benefits and other (4) (1) (1)
Total recognized in other comprehensive (income) loss (798) (608) (398)
Total recognized in net periodic benefit cost (benefit) and other comprehensive (income) loss $ (775) $ (566) $ (316)