Capital Stock and Earnings Per Share - Capital Stock and Earnings Per Share - Additional Information (Detail)			3 Months Ended		9 Months Ended
	Nov. 06, 2018 shares	Oct. 22, 2018	Nov. 03, 2018 USD ($) shares	Oct. 28, 2017 shares	Nov. 03, 2018 USD ($) shares	Oct. 28, 2017 USD ($) shares	Nov. 02, 2018 shares	Feb. 28, 2018 USD ($)	Feb. 03, 2018 shares	Feb. 28, 2017 USD ($)
Capital Unit [Line Items]
Stock split ratio, common stock		2
Common stock, shares authorized (in shares) | shares			1,800,000,000	1,800,000,000	1,800,000,000	1,800,000,000	600,000,000.0		1,800,000,000
Common stock repurchased and retired					$ 1,591,392,000
Cash payments for repurchase of common stock					1,600,000,000	$ 1,200,000,000
Remaining available stock under stock repurchase plan			$ 2,500,000,000		$ 2,500,000,000
Antidilutive options excluded | shares			6,100,000	25,200,000	6,100,000	25,200,000
Trade Date Basis
Capital Unit [Line Items]
Common stock repurchased and retired (in shares) | shares			11,400,000		34,000,000
Common stock repurchased and retired			$ 600,000,000		$ 1,600,000,000
Stock Repurchase Programs 2017
Capital Unit [Line Items]
Common stock repurchased and retired (in shares) | shares			21,900,000
Common stock repurchased and retired			$ 1,000,000,000
Stock repurchase program, common stock purchase value										$ 1,000,000,000
Stock Repurchase Programs 2018
Capital Unit [Line Items]
Common stock repurchased and retired (in shares) | shares					8,600,000
Common stock repurchased and retired					$ 464,000,000
Stock repurchase program, common stock purchase value								$ 3,000,000,000
Subsequent Event
Capital Unit [Line Items]
Issuance of common stock in result from stock split (in shares) | shares	617,000,000