The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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Derivative Financial Instruments - Additional Information (Details) - Interest Rate Swap $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($)	Jun. 30, 2019 USD ($) derivative_agreement	Feb. 28, 2019 USD ($) derivative_agreement
Derivative [Line Items]
Reclassification in next twelve months	$ 73
Designated as Hedging Instrument
Derivative [Line Items]
Number of instruments \| derivative_agreement		6	5
Designated as Hedging Instrument \| Cash Flow Hedging
Derivative [Line Items]
Notional amount		$ 1,500	$ 2,500
Fixed interest rate		1.58%	2.48%
One Counterparty \| Designated as Hedging Instrument \| Cash Flow Hedging
Derivative [Line Items]
Notional amount			$ 700
Three Counterparties \| Designated as Hedging Instrument \| Cash Flow Hedging
Derivative [Line Items]
Notional amount			$ 450
Six Counterparties \| Designated as Hedging Instrument \| Cash Flow Hedging
Derivative [Line Items]
Notional amount		$ 250