|
Debt (Details) (Revolving Credit Facility [Member], USD $)
|
6 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2015
|
Jan. 28, 2015
|
Jan. 29, 2014
|
|
| Line of Credit Facility [Line Items] | |||
| Line of Credit Facility, Maximum Borrowing Capacity | $ 3,000,000,000.0 | $ 3,000,000,000.0 | |
| Line of Credit Facility, Commitment Fee Percentage | 0.07% | ||
| LIBOR or Alternative Base Rate [Member] | Minimum [Member] | |||
| Line of Credit Facility [Line Items] | |||
| Debt Instrument, Basis Spread on Variable Rate | 0.00% | ||
| LIBOR or Alternative Base Rate [Member] | Maximum [Member] | |||
| Line of Credit Facility [Line Items] | |||
| Debt Instrument, Basis Spread on Variable Rate | 0.75% |