Revenue Recognition Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction (Details) $ in Millions	Aug. 04, 2018 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-05-05
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	6 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-08-05
Revenue, Performance Obligation [Abstract]
Revenue, Remaining Performance Obligation, Amount	$ 12	[1]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-02-03
Revenue, Performance Obligation [Abstract]
Revenue, Remaining Performance Obligation, Amount	$ 14	[1]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-05-04
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-02-02
Revenue, Performance Obligation [Abstract]
Revenue, Remaining Performance Obligation, Amount	$ 6	[1]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-05-02
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-31
Revenue, Performance Obligation [Abstract]
Revenue, Remaining Performance Obligation, Amount	$ 2	[1]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-05-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-30
Revenue, Performance Obligation [Abstract]
Revenue, Remaining Performance Obligation, Amount	$ 1	[1]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-04-30
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period

[1] (1)We have elected to exclude unsatisfied performance obligations from contract liability balances with a duration of one year or less. The estimated transaction price revenue disclosed above also does not include amounts of variable consideration attributable to contracts where the consideration is constrained at August 4, 2018. Further information about our forms of variable consideration is disclosed below.