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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 |  |  |  |  |  |  |  |  |

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