Accumulated Other Comprehensive (Loss) Income - Changes (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
AOCI roll forward
Beginning balance	$ 6,808	$ 7,146	$ 6,864	$ 7,126
Other comprehensive income (loss), net of tax	25	(32)	37	(34)
Ending balance	6,928	7,192	6,928	7,192
Accumulated Other Comprehensive Income [Member]
AOCI roll forward
Beginning balance	(57)	15	(69)	17
Other comprehensive income (loss) before reclassifications, net of tax expense (benefit)			37
Other comprehensive income (loss), net of tax	25	(32)	37	(34)
Ending balance	(32)	$ (17)	(32)	$ (17)
Derivative Instruments [Member]
AOCI roll forward
Beginning balance			3
Other comprehensive income (loss) before reclassifications, net of tax expense (benefit)			11
Other comprehensive income (loss), net of tax			11
Ending balance	14		14
Available-for-Sale Debt Securities [Member]
AOCI roll forward
Beginning balance			19
Other comprehensive income (loss) before reclassifications, net of tax expense (benefit)			5
Other comprehensive income (loss), net of tax			5
Ending balance	24		24
Foreign Currency Translation Adjustments [Member]
AOCI roll forward
Beginning balance			(94)
Other comprehensive income (loss) before reclassifications, net of tax expense (benefit)			22
Other comprehensive income (loss), net of tax			22
Ending balance	(72)		(72)
Post - Retirement Benefit Obligation [Member]
AOCI roll forward
Beginning balance			3
Other comprehensive income (loss) before reclassifications, net of tax expense (benefit)			(1)
Other comprehensive income (loss), net of tax			(1)
Ending balance	$ 2		$ 2