Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

Name:	invest_DerivativeNotionalAmount
Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

Derivative Financial Instruments - Narrative (Details) - USD ($) $ in Millions	Aug. 03, 2019	Jun. 30, 2019	Mar. 31, 2019	Aug. 04, 2018
Designated as Hedging Instrument \| Interest Rate Swaps
Derivative Contracts - Effect on Results of Operations (millions)
Notional amount	$ 1,500	$ 1,000	$ 1,000	$ 1,250