Derivative Instruments - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($) tranche	Dec. 31, 2020 USD ($)
Derivative [Line Items]
Derivative, notional amount	$ 6,726	$ 6,566
Foreign currency net derivative losses to be reclassified into earnings within the next 12 months	53
Interest rate net derivative losses to be reclassified into earnings within the next 12 months	1
Foreign Exchange Contract
Derivative [Line Items]
Offset asset	22
Offset liability	22
Net derivative assets	36
Net derivative liabilities	$ 6
Warrant
Derivative [Line Items]
Maximum percentage of acquired shares	5.00%
Warrants term (years)	7 years
Number of tranches | tranche	4
Maximum number of tranches that can vest per year | tranche	2
Interest Rate Contract
Derivative [Line Items]
Offset asset	$ 1
Offset liability	1
Net derivative assets	55
Net derivative liabilities	$ 1
Designated as Hedging Instrument | Foreign Exchange Contract | Minimum
Derivative [Line Items]
Derivative contract duration	1 month
Designated as Hedging Instrument | Foreign Exchange Contract | Maximum
Derivative [Line Items]
Derivative contract duration	1 year
Designated as Hedging Instrument | Foreign Exchange Contract | Cash Flow Hedging
Derivative [Line Items]
Derivative, notional amount	$ 2,362	2,305
Designated as Hedging Instrument | Foreign Exchange Contract | Cash Flow Hedging | Maximum
Derivative [Line Items]
Derivative contract duration	24 months
Designated as Hedging Instrument | Forward-Starting Interest Rate Swap | Cash Flow Hedging
Derivative [Line Items]
Derivative contract duration	10 years
Derivative, notional amount	$ 700
Designated as Hedging Instrument | Floating to Fixed Interest Rate Swap | Cash Flow Hedging
Derivative [Line Items]
Derivative, notional amount	400
Designated as Hedging Instrument | Interest Rate Contract | Cash Flow Hedging
Derivative [Line Items]
Derivative, notional amount	$ 1,100	$ 1,100