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Postretirement Benefit Plans - Schedule of Change in AOCI (Details)
$ in Millions
12 Months Ended
Dec. 31, 2023
USD ($)
Defined benefit plan amounts recognized in other comprehensive income net actuarial loss portion roll forward  
AOCI balance, net actuarial loss portion (net of taxes), beginning of period $ 249
Adjustments, net actuarial loss (36)
Recognized within net income, net actuarial loss (20)
Tax effect, net actuarial loss 14
Total change to AOCI, net actuarial loss (42)
AOCI balance, net actuarial loss portion (net of taxes), period end 207
Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Prior Service Costs Portion Roll Forward  
AOCI balance, net prior service cost (net of taxes), beginning of period 1
Adjustments, prior service cost 0
Recognized within net income, prior service cost (1)
Tax effect, prior service cost 0
Total change to AOCI, prior service credit (1)
AOCI balance, net prior service cost (net of taxes), period end 0
U.S. | Defined Benefit  
Defined benefit plan amounts recognized in other comprehensive income net actuarial loss portion roll forward  
AOCI balance, net actuarial loss portion (net of taxes), beginning of period 90
Adjustments, net actuarial loss (23)
Recognized within net income, net actuarial loss (13)
Tax effect, net actuarial loss 8
Total change to AOCI, net actuarial loss (28)
AOCI balance, net actuarial loss portion (net of taxes), period end 62
U.S. | Retiree Health Care  
Defined benefit plan amounts recognized in other comprehensive income net actuarial loss portion roll forward  
AOCI balance, net actuarial loss portion (net of taxes), beginning of period (15)
Adjustments, net actuarial loss (17)
Recognized within net income, net actuarial loss 5
Tax effect, net actuarial loss 3
Total change to AOCI, net actuarial loss (9)
AOCI balance, net actuarial loss portion (net of taxes), period end (24)
Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Prior Service Costs Portion Roll Forward  
AOCI balance, net prior service cost (net of taxes), beginning of period 0
Adjustments, prior service cost 0
Recognized within net income, prior service cost 0
Tax effect, prior service cost 0
Total change to AOCI, prior service credit 0
AOCI balance, net prior service cost (net of taxes), period end 0
Non-U.S. | Defined Benefit  
Defined benefit plan amounts recognized in other comprehensive income net actuarial loss portion roll forward  
AOCI balance, net actuarial loss portion (net of taxes), beginning of period 174
Adjustments, net actuarial loss 4
Recognized within net income, net actuarial loss (12)
Tax effect, net actuarial loss 3
Total change to AOCI, net actuarial loss (5)
AOCI balance, net actuarial loss portion (net of taxes), period end 169
Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Prior Service Costs Portion Roll Forward  
AOCI balance, net prior service cost (net of taxes), beginning of period 1
Adjustments, prior service cost 0
Recognized within net income, prior service cost (1)
Tax effect, prior service cost 0
Total change to AOCI, prior service credit (1)
AOCI balance, net prior service cost (net of taxes), period end $ 0