Business Overview and Summary of Significant Accounting Policies - Narrative (Details)		7 Months Ended	12 Months Ended
	Jul. 03, 2020 USD ($)	Jan. 29, 2021 USD ($)	Jan. 29, 2021 USD ($) segment	Jan. 31, 2020 USD ($)	Feb. 01, 2019 USD ($)	Feb. 02, 2019 USD ($)	Feb. 03, 2018 USD ($)
Significant Accounting Policies [Line Items]
Revenues			$ 7,056,000,000	$ 6,379,000,000	$ 4,659,000,000
Receivables, net		$ 962,000,000	$ 962,000,000	1,099,000,000
Number of operating segments | segment			3
Number of reportable segments | segment			1
Outstanding payments		25,000,000	$ 25,000,000	54,000,000
Unbilled receivables, maximum expected period for billing and collection			1 year
Amount of progress payments received are offset against unbilled receivables		28,000,000	$ 28,000,000	33,000,000
Provisions for inventory and deferred contract costs				26,000,000
Impairment of goodwill and intangible assets			0	0
Internal research and development costs included in selling, general and administrative expenses			6,000,000	7,000,000	5,000,000
Retained earnings		627,000,000	627,000,000	506,000,000
Other current assets		22,000,000	22,000,000	19,000,000
Excess tax benefits from share-based award payments			3,000,000	4,000,000	9,000,000
Operating Lease, Liability, Noncurrent		205,000,000	205,000,000	172,000,000		$ 140,000,000
Operating lease right of use assets		236,000,000	236,000,000	190,000,000		169,000,000
Operating Lease, Liability		254,000,000	254,000,000	206,000,000		$ 184,000,000
Marketable Securities, Noncurrent		27,000,000	27,000,000	27,000,000
Proceeds from Divestiture of Businesses			17,000,000	0	0
Loss on Disposition of Business			$ 10,000,000	$ 0	$ 0
Non-Strategic International Operations
Significant Accounting Policies [Line Items]
Proceeds from Divestiture of Businesses	$ 22,000,000
Loss on Disposition of Business	11,000,000
Divestiture of Business, Transaction Costs	$ 1,000,000
Cash Proceeds From Divestiture Of Businesses		$ 17,000,000
Difference between Revenue Guidance in Effect before and after Topic 606 | Accounting Standards Update 2014-09, Revenue Recognition, Adjusted Cost-To-Cost Basis
Significant Accounting Policies [Line Items]
Retained earnings							$ 3,000,000
Forfeiture Support Associates J.V.
Significant Accounting Policies [Line Items]
Ownership percentage		50.10%	50.10%