Employee Benefit Plans and Postretirement Benefits - Defined Benefit Pension, Healthcare and Other Plans (Details) - USD ($) $ in Millions		12 Months Ended
	Apr. 16, 2018	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Change in benefit obligations:
Plan amendments	$ 527
Change in the fair value of plan assets:
Beginning plan assets		$ 1,037
Ending plan assets		1,107	$ 1,037
Pension
Change in benefit obligations:
Beginning benefit obligation		1,175	1,843
Service cost		9	11	$ 13
Interest cost		54	27	19
Plan participants’ contributions		1	1
Actuarial loss (gain)		53	(476)
Gross benefits paid		(80)	(77)
Plan amendments		4	0
Currency translation adjustments and other		58	(154)
Ending benefit obligation		1,274	1,175	1,843
Change in the fair value of plan assets:
Beginning plan assets		979	1,474
Actual return on plan assets		51	(357)
Employer contributions		41	46
Plan participants’ contributions		1	1
Gross benefits paid		(68)	(65)
Currency translation adjustments and other		45	(120)
Ending plan assets		1,049	979	1,474
Funded status		(225)	(196)
Healthcare
Change in benefit obligations:
Beginning benefit obligation		181	281
Service cost		3	4	4
Interest cost		9	6	6
Plan participants’ contributions		4	4
Actuarial loss (gain)		10	(52)
Gross benefits paid		(29)	(28)
Plan amendments		1	(6)
Currency translation adjustments and other		0	(28)
Ending benefit obligation		179	181	281
Change in the fair value of plan assets:
Beginning plan assets		58	130
Actual return on plan assets		6	(21)
Employer contributions		0	0
Plan participants’ contributions		0	0
Gross benefits paid		(6)	(9)
Currency translation adjustments and other		0	(42)
Ending plan assets		58	58	130
Funded status		(121)	(123)
Other
Change in benefit obligations:
Beginning benefit obligation		89	113
Service cost		5	5	6
Interest cost		4	1	1
Plan participants’ contributions		0	0
Actuarial loss (gain)		5	(15)
Gross benefits paid		(7)	(7)
Plan amendments		0	0
Currency translation adjustments and other		4	(8)
Ending benefit obligation		100	89	113
Change in the fair value of plan assets:
Beginning plan assets		0	0
Actual return on plan assets		0	0
Employer contributions		0	0
Plan participants’ contributions		0	0
Gross benefits paid		0	0
Currency translation adjustments and other		0	0
Ending plan assets		0	0	$ 0
Funded status		$ (100)	$ (89)