Accumulated Other Comprehensive Income (Loss) - Schedule of Changes in Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive loss, net of tax	$ 6,310
Accumulated other comprehensive loss, net of tax	21,082	$ 6,310
Foreign Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive loss, net of tax	(285)	(373)	$ (397)
OCI before reclassifications	(848)	88	24
Amounts reclassified from AOCI	0	0	0
Net current period other comprehensive income (loss)	(848)	88	24
Accumulated other comprehensive loss, net of tax	(1,133)	(285)	(373)
(Losses) Gains on Derivatives Qualifying as Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive loss, net of tax	(7)	2	5
OCI before reclassifications	1	(5)	5
Amounts reclassified from AOCI	7	(4)	(8)
Net current period other comprehensive income (loss)	8	(9)	(3)
Accumulated other comprehensive loss, net of tax	1	(7)	2
Pension and Postretirement Liability Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive loss, net of tax	(406)	(346)	(310)
OCI before reclassifications	97	(74)	(46)
Amounts reclassified from AOCI	18	14	10
Net current period other comprehensive income (loss)	115	(60)	(36)
Accumulated other comprehensive loss, net of tax	(291)	(406)	(346)
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive loss, net of tax	(698)	(717)	(702)
OCI before reclassifications	(750)	9	(17)
Amounts reclassified from AOCI	25	10	2
Net current period other comprehensive income (loss)	(725)	19	(15)
Accumulated other comprehensive loss, net of tax	$ (1,423)	$ (698)	$ (717)