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Stockholders' Equity - Additional Information (Detail) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2016 | Sep. 25, 2016 | Jun. 26, 2016 | Mar. 27, 2016 | Dec. 31, 2015 | Sep. 27, 2015 | Jun. 28, 2015 | Mar. 29, 2015 | Dec. 31, 2014 | Sep. 28, 2014 | Jun. 29, 2014 | Mar. 30, 2014 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Sep. 22, 2016
Shareholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized | 1,500,000,000 |  |  |  | 1,500,000,000 |  |  |  |  |  |  |  | 1,500,000,000 | 1,500,000,000 |  |
Preferred stock, shares authorized | 50,000,000 |  |  |  | 50,000,000 |  |  |  |  |  |  |  | 50,000,000 | 50,000,000 |  |
Common stock, shares issued and outstanding | 290,000,000 |  |  |  | 305,000,000 |  |  |  |  |  |  |  | 290,000,000 | 305,000,000 |  |
Common stock, shares outstanding for Balance Sheet presentation purposes | 289,000,000 |  |  |  | 303,000,000 |  |  |  |  |  |  |  | 289,000,000 | 303,000,000 |  |
Preferred stock, shares issued and outstanding | 0 |  |  |  | 0 |  |  |  |  |  |  |  | 0 | 0 |  |
Cash paid for repurchases of common stock |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,096,000,000 | $ 3,071,000,000 | $ 1,900,000,000 |
Number of shares of common stock repurchased with cash |  |  |  |  |  |  |  |  |  |  |  |  | 8,900,000 | 15,200,000 | 11,500,000 |
Additional share repurchase program authorized amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,000,000,000
Remaining authorized repurchase amount under share repurchase program | $ 3,500,000,000 |  |  |  |  |  |  |  |  |  |  |  | $ 3,500,000,000 |  |  |
Common stock par value, per share | $ 1 |  |  |  | $ 1 |  |  |  |  |  |  |  | $ 1 | $ 1 |  |
Additional paid-in capital | $ 0 |  |  |  | $ 0 |  |  |  |  |  |  |  | $ 0 | $ 0 |  |
Reduction to stockholder's equity due to repurchases of common stock |  |  |  |  |  |  |  |  |  |  |  |  | 2,096,000,000 | 3,071,000,000 | $ 1,900,000,000 |
Dividends preferred stock cash |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,000,000,000 | $ 1,900,000,000 | $ 1,800,000,000 |
Dividends, per share |  |  |  |  |  |  |  |  |  |  |  |  | $ 6.77 | $ 6.15 | $ 5.49 |
Quarterly increase dividend rate |  |  |  |  |  |  |  |  |  |  |  |  | 10.00% | 10.00% | 10.00% |
Common stock dividends per share declared | $ 1.82 | $ 1.65 | $ 1.65 | $ 1.65 | $ 1.65 | $ 1.50 | $ 1.50 | $ 1.50 | $ 1.50 | $ 1.33 | $ 1.33 | $ 1.33 | $ 6.77 | $ 6.15 | $ 5.49 |
Retained Earnings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shareholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reduction to stockholder's equity due to repurchases of common stock |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,692,000,000 | $ 2,400,000,000 | $ 1,096,000,000 |

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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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