Derivatives and Hedging Instruments - Derivative Fair Values (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Derivatives, Fair Value [Line Items]
Derivative assets, fair value	$ 26	$ 19
Derivative liabilities, fair value	3	1
Derivatives designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative asset, notional amount	2,375
Derivative assets, fair value	24	18
Derivative liability, notional amount	0
Derivative liabilities, fair value	0	0
Derivatives designated as hedging instruments | Interest Rate Cap
Derivatives, Fair Value [Line Items]
Derivative asset, notional amount		2,000
Derivative assets, fair value		18
Derivative liability, notional amount		0
Derivative liabilities, fair value		$ 0
Derivative Asset, Statement of Financial Position [Extensible Enumeration]		Other assets
Derivative Liability, Statement of Financial Position [Extensible Enumeration]		Other liabilities
Derivatives designated as hedging instruments | Interest Rate Cap | Other current assets
Derivatives, Fair Value [Line Items]
Derivative asset, notional amount
Derivative assets, fair value	$ 13
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other current assets
Derivatives designated as hedging instruments | Interest Rate Cap | Other current liabilities
Derivatives, Fair Value [Line Items]
Derivative liability, notional amount
Derivative liabilities, fair value	$ 0
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other current liabilities
Derivatives designated as hedging instruments | Interest Rate Cap | Other assets
Derivatives, Fair Value [Line Items]
Derivative asset, notional amount
Derivative assets, fair value	$ 11
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other assets
Derivatives designated as hedging instruments | Interest Rate Cap | Other liabilities
Derivatives, Fair Value [Line Items]
Derivative liability, notional amount
Derivative liabilities, fair value	$ 0
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other liabilities
Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative asset, notional amount	$ 280
Derivative assets, fair value	2	$ 1
Derivative liability, notional amount	391
Derivative liabilities, fair value	3	1
Derivatives not designated as hedging instruments | Foreign exchange contracts
Derivatives, Fair Value [Line Items]
Derivative asset, notional amount		278
Derivative assets, fair value	2	1
Derivative liability, notional amount		396
Derivative liabilities, fair value	$ 3	$ 1
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other current assets	Other current assets
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other current liabilities	Other current liabilities