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- Capital Stock and Earnings Per Share - Additional Information (Detail) - USD ($)	3 Months Ended	6 Months Ended
	Aug. 04, 2018	Aug. 04, 2018	Jul. 29, 2017	Feb. 28, 2018	Feb. 28, 2017
Capital Unit [Line Items]
Common stock repurchased and retired		$ 989,999,000
Cash payments for repurchase of common stock		990,000,000	$ 885,000,000
Remaining available stock under stock repurchase plan	$ 3,135,780,269	$ 3,135,780,269
Antidilutive options excluded		0	8,000,000
Trade Date Basis
Capital Unit [Line Items]
Common stock repurchased and retired (in shares)	6,400,000	11,300,000
Common stock repurchased and retired	$ 600,000,000	$ 1,000,000,000
Stock Repurchase Programs 2017
Capital Unit [Line Items]
Common stock repurchased and retired (in shares)		9,600,000
Common stock repurchased and retired		$ 864,200,000
Stock repurchase program, common stock purchase value					$ 1,000,000,000
Stock Repurchase Programs 2018
Capital Unit [Line Items]
Stock repurchase program, common stock purchase value				$ 3,000,000,000

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount remaining of a stock repurchase plan authorized.

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Number of shares that have been repurchased and retired during the period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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