Employee Benefits - Schedule of components of net periodic cost (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
U.S. Plans | Pension
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost	$ 5,000,000	$ 5,000,000	$ 5,000,000
Interest cost	168,000,000	109,000,000	92,000,000
Expected return on assets	(193,000,000)	(213,000,000)	(243,000,000)
Amortization of prior service cost	0	0	0
Amortization of net (gain) loss	33,000,000	24,000,000	33,000,000
Net periodic benefit cost (credit)	13,000,000	(75,000,000)	(113,000,000)
Settlement loss	84,000,000	60,000,000	34,000,000
Net benefit cost (credit)	97,000,000	(15,000,000)	(79,000,000)
Total recognized in AOCI	136,000,000	(117,000,000)	332,000,000
Total recognized in net periodic benefit cost and other comprehensive income (loss)	40,000,000	(102,000,000)	411,000,000
U.S. Plans | Postretirement benefit plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost	1,000,000	1,000,000	1,000,000
Interest cost	6,000,000	4,000,000	3,000,000
Expected return on assets	0	0	0
Amortization of prior service cost	0	0	0
Amortization of net (gain) loss	(5,000,000)	0	0
Net periodic benefit cost (credit)	2,000,000	5,000,000	4,000,000
Settlement loss	0	0	0
Net benefit cost (credit)	2,000,000	5,000,000	4,000,000
Total recognized in AOCI	(8,000,000)	36,000,000	10,000,000
Total recognized in net periodic benefit cost and other comprehensive income (loss)	(10,000,000)	31,000,000	6,000,000
Foreign Plan | Pension
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost	16,000,000	18,000,000	21,000,000
Interest cost	20,000,000	10,000,000	9,000,000
Expected return on assets	(21,000,000)	(17,000,000)	(21,000,000)
Amortization of prior service cost	3,000,000	3,000,000	3,000,000
Amortization of net (gain) loss	2,000,000	4,000,000	7,000,000
Net periodic benefit cost (credit)	20,000,000	18,000,000	19,000,000
Settlement loss	0	0	1,000,000
Net benefit cost (credit)	20,000,000	18,000,000	20,000,000
Total recognized in AOCI	5,000,000	57,000,000	65,000,000
Total recognized in net periodic benefit cost and other comprehensive income (loss)	(14,000,000)	39,000,000	45,000,000
Foreign Plan | Postretirement benefit plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost	0	0	1,000,000
Interest cost	2,000,000	1,000,000	2,000,000
Expected return on assets	0	0	0
Amortization of prior service cost	(1,000,000)	0	0
Amortization of net (gain) loss	(3,000,000)	(1,000,000)	1,000,000
Net periodic benefit cost (credit)	(2,000,000)	0	4,000,000
Settlement loss	0	0	0
Net benefit cost (credit)	(2,000,000)	0	4,000,000
Total recognized in AOCI	(2,000,000)	13,000,000	27,000,000
Total recognized in net periodic benefit cost and other comprehensive income (loss)	$ 0	$ 13,000,000	$ 23,000,000