Debt Level 4 (Details) $ in Millions	May. 27, 2015 USD ($)
Debt Disclosure [Abstract]
Debt Instrument, Repurchased Face Amount	$ 296
Debt Instrument, Repurchase Amount	$ 317

Face (par) amount of the original debt instrument that was repurchased.

No definition available.

Name:	us-gaap_DebtInstrumentRepurchasedFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant