Accumulated Other Comprehensive Income (Loss) - Schedule of Changes in Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period			$ 17,655
Net current period other comprehensive income (loss)	$ 59	$ (588)	341	$ (787)
Balance, end of period	17,623		17,623
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period			(2,066)	(1,133)
OCI before reclassifications			302	(788)
Reclassifications due to business divestitures			42
Amounts reclassified from AOCI			0	0
Net current period other comprehensive income (loss)			344	(788)
Balance, end of period	(1,722)	(1,921)	(1,722)	(1,921)
Gains (Losses)  on Derivatives Qualifying as Hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period			1	1
OCI before reclassifications			0	0
Reclassifications due to business divestitures			0
Amounts reclassified from AOCI			0	0
Net current period other comprehensive income (loss)			0	0
Balance, end of period	1	1	1	1
Pension and Postretirement Liability Adjustment
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period			(133)	(291)
OCI before reclassifications			0	(5)
Reclassifications due to business divestitures			(1)
Amounts reclassified from AOCI			2	(6)
Net current period other comprehensive income (loss)			(3)	1
Balance, end of period	(136)	(290)	(136)	(290)
AOCI Attributable to Parent
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period			(2,198)	(1,423)
OCI before reclassifications			302	(793)
Reclassifications due to business divestitures			41
Amounts reclassified from AOCI			2	(6)
Net current period other comprehensive income (loss)			341	(787)
Balance, end of period	$ (1,857)	$ (2,210)	$ (1,857)	$ (2,210)