Sale of Receivables (Details) - USD ($)	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2017	Dec. 21, 2016
Receivables [Abstract]
Accounts receivable securitization facility, amount			$ 250,000,000
Total availability under the Receivables Facility		$ 228,000,000
Gain (loss) on sale of receivables	$ 0
Cash received upon sale of receivables		232,000,000
Deferred purchase price receivable	252,000,000	242,000,000
Liability recorded due to maximum funding limit being exceeded		$ 4,000,000
Transfer of Financial Assets Accounted for as Sales, Deferred Purchase Price [Roll Forward]
Deferred purchase price receivable, Beginning balance	252,000,000
Transfers of receivables	548,000,000
Collections	(545,000,000)
Fair value adjustment	(13,000,000)
Deferred purchase price receivable, Ending balance	$ 242,000,000