Pension Plans - Schedule of Change in Plan Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 01, 2020	Feb. 02, 2019
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of period	$ 3,925
Fair value of plan assets at end of period	4,441	$ 3,925
Qualified Plan
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of period	3,915	4,107
Actual return on plan assets	729	(65)
Employer contributions	50	100
Participant contributions	11	6
Benefits paid	(275)	(233)
Fair value of plan assets at end of period	4,430	3,915
Nonqualified and International Plans
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of period	10	11
Actual return on plan assets	0	(1)
Employer contributions	5	12
Participant contributions	0	0
Benefits paid	(4)	(12)
Fair value of plan assets at end of period	$ 11	$ 10