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Capital Stock and Earnings Per Share - Capital Stock and Earnings Per Share - Additional Information (Detail)			3 Months Ended		15 Months Ended
	Nov. 06, 2018 shares	Oct. 30, 2018	May 04, 2019 USD ($) shares	May 05, 2018 USD ($) shares	May 04, 2019 USD ($) shares	Feb. 28, 2019 USD ($)	Feb. 02, 2019 shares	Oct. 22, 2018 shares	Feb. 28, 2018 USD ($)
Capital Unit [Line Items]
Stock split ratio, common stock	2	2
Common stock, shares authorized (in shares) \| shares	1,800,000,000		1,800,000,000	1,800,000,000	1,800,000,000		1,800,000,000	600,000,000.0
Issuance of common stock in result from stock split (in shares) \| shares	617,000,000
Common stock repurchased and retired			$ 397,294,000	$ 395,399,000
Cash payments for repurchase of common stock			397,300,000	$ 395,400,000
Remaining available stock under stock repurchase plan			$ 2,800,000,000		$ 2,800,000,000
Antidilutive options excluded \| shares			6,000,000	17,100,000
Trade date basis
Capital Unit [Line Items]
Common stock repurchased and retired (in shares) \| shares			6,700,000
Common stock repurchased and retired			$ 350,000,000
Stock repurchase program 2019
Capital Unit [Line Items]
Stock repurchase program, common stock purchase value						$ 1,500,000,000
Stock repurchase programs 2018
Capital Unit [Line Items]
Common stock repurchased and retired (in shares) \| shares					33,100,000
Common stock repurchased and retired					$ 1,700,000,000
Stock repurchase program, common stock purchase value									$ 3,000,000,000