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Derivative Instruments And Hedging Activities - Additional Information (Detail) £ in Millions	1 Months Ended	12 Months Ended
	Jan. 31, 2020 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 EUR (€)	Dec. 31, 2021 GBP (£)	Dec. 31, 2020 USD ($)	Apr. 30, 2020 USD ($)
Derivative [Line Items]
Accumulated other comprehensive loss		$ 410,000,000			$ 432,000,000
Designated as Hedging Instrument
Derivative [Line Items]
Accumulated other comprehensive loss		26,000,000			269,000,000
Not Designated as Accounting Hedges \| RMS \| Other non-operating expense, net
Derivative [Line Items]
Notional Amount		1,675,000,000		£ 1,200
Not Designated as Accounting Hedges \| Forward Contracts
Derivative [Line Items]
Foreign exchange forwards amount of gain (loss) recognized in income		(13,000,000)
Net Investment Hedging \| Designated as Hedging Instrument
Derivative [Line Items]
Accumulated other comprehensive loss		(21,000,000)			220,000,000
Net Investment Hedging \| Designated as Hedging Instrument \| Cross currency swaps
Derivative [Line Items]
Notional Amount \| €			€ 2,088,000,000
Accumulated other comprehensive loss		(19,000,000)			124,000,000
Cash Flow Hedging \| Forward Contracts
Derivative [Line Items]
Accumulated other comprehensive loss						$ 68,000,000
Cash Flow Hedging \| Designated as Hedging Instrument
Derivative [Line Items]
Accumulated other comprehensive loss		47,000,000			49,000,000
Cash Flow Hedging \| Designated as Hedging Instrument \| Cross currency swaps
Derivative [Line Items]
Accumulated other comprehensive loss		$ (2,000,000)			$ (2,000,000)
Cash Flow Hedging \| Designated as Hedging Instrument \| Forward Contracts
Derivative [Line Items]
Notional Amount	$ 300,000,000
Derivative, forward interest rate	2.0103%
Term	30 years
2015 Senior Notes, due 2027
Derivative [Line Items]
Senior unsecured notes, interest		1.75%	1.75%	1.75%	1.75%
2015 Senior Notes, due 2027 \| Net Investment Hedging \| Designated as Hedging Instrument \| Cross currency swaps
Derivative [Line Items]
Notional Amount \| €			€ 500,000,000
2019 Senior Notes, due 2030
Derivative [Line Items]
Senior unsecured notes, interest		0.95%	0.95%	0.95%	0.95%
2019 Senior Notes, due 2030 \| Net Investment Hedging \| Designated as Hedging Instrument \| Cross currency swaps
Derivative [Line Items]
Notional Amount \| €			€ 750,000,000
3.25% 2020 Senior Notes, due 2050
Derivative [Line Items]
Senior unsecured notes, interest		3.25%	3.25%	3.25%	3.25%