Retirement Programs - Funded Status (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Change in Plan Assets
Other long-term assets	$ 380	$ 661
Other current liabilities	(31)	(51)
Other long-term liabilities	(693)	(640)
Deferred tax obligation (benefit) (Note 7)	(60)	54
Amount recognized in accumulated other comprehensive income (loss) (Note 7)	440	60
Pensions
Change in Benefit Obligation ("PBO")
Service cost	84	127	$ 157
Interest cost	373	201	154
Change in Plan Assets
Fair value of plan assets, January 1	7,685
Fair value of plan assets, December 31	8,228	7,685
U.S. | Pensions
Change in Benefit Obligation ("PBO")
Benefit obligation, January 1	2,129	2,719
Service cost	25	34
Interest cost	105	60
Participant contributions	11	11
Actuarial loss (gain)	100	(528)
Benefits paid	(162)	(158)
Plan settlement	(21)	(9)
Foreign currency translation and other changes	0	0
Benefit obligation, December 31	2,187	2,129	2,719
Accumulated benefit obligation ("ABO")	2,037	1,982
Change in Plan Assets
Fair value of plan assets, January 1	1,891	2,448
Actual return on plan assets	300	(421)
Company contributions	0	0
Participant contributions	0	0
Benefits paid from plan assets	(141)	(136)
Foreign currency translation and other changes	0	0
Fair value of plan assets, December 31	2,050	1,891	2,448
Other long-term assets	19	13
Other current liabilities	(17)	(38)
Other long-term liabilities	(139)	(213)
Funded Status, End of Year	(137)	(238)
Net actuarial loss (gain)	290	357
Prior service cost (credit)	(10)	(12)
Deferred tax obligation (benefit) (Note 7)	(67)	(85)
Amount recognized in accumulated other comprehensive income (loss) (Note 7)	213	260
Non-U.S. | Pensions
Change in Benefit Obligation ("PBO")
Benefit obligation, January 1	5,586	9,398
Service cost	59	93
Interest cost	268	141
Participant contributions	18	17
Actuarial loss (gain)	532	(2,972)
Benefits paid	(324)	(296)
Plan settlement	(14)	(8)
Foreign currency translation and other changes	260	(787)
Benefit obligation, December 31	6,385	5,586	9,398
Accumulated benefit obligation ("ABO")	6,300	5,508
Change in Plan Assets
Fair value of plan assets, January 1	5,794	7,968
Actual return on plan assets	365	(1,302)
Company contributions	46	51
Participant contributions	18	17
Benefits paid from plan assets	(320)	(248)
Foreign currency translation and other changes	275	(692)
Fair value of plan assets, December 31	6,178	5,794	$ 7,968
Other long-term assets	361	648
Other current liabilities	(14)	(13)
Other long-term liabilities	(554)	(427)
Funded Status, End of Year	(207)	208
Net actuarial loss (gain)	219	(343)
Prior service cost (credit)	1	4
Deferred tax obligation (benefit) (Note 7)	7	139
Amount recognized in accumulated other comprehensive income (loss) (Note 7)	$ 227	$ (200)