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Stockholders' Equity - Additional Information (Detail) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 24, 2018 | Mar. 25, 2018 | Dec. 31, 2017 | Sep. 24, 2017 | Jun. 25, 2017 | Mar. 26, 2017 | Dec. 31, 2016 | Sep. 25, 2016 | Jun. 26, 2016 | Mar. 27, 2016 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Sep. 27, 2018
Shareholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized | 1,500,000,000.0 |  |  |  | 1,500,000,000.0 |  |  |  |  |  |  |  | 1,500,000,000.0 | 1,500,000,000.0 |  |
Preferred stock, shares authorized | 50,000,000 |  |  |  | 50,000,000 |  |  |  |  |  |  |  | 50,000,000 | 50,000,000 |  |
Common stock, shares issued and outstanding | 283,000,000 |  |  |  | 285,000,000 |  |  |  |  |  |  |  | 283,000,000 | 285,000,000 |  |
Common Stock, value issued | $ 281,000,000 |  |  |  | $ 284,000,000 |  |  |  |  |  |  |  | $ 281,000,000 | $ 284,000,000 |  |
Preferred stock, shares issued | 0 |  |  |  | 0 |  |  |  |  |  |  |  | 0 | 0 |  |
Preferred stock, shares outstanding | 0 |  |  |  | 0 |  |  |  |  |  |  |  | 0 | 0 |  |
Number of shares of common stock repurchased with cash |  |  |  |  |  |  |  |  |  |  |  |  | 4,700,000 | 7,100,000 | 8,900,000 |
Cash paid for repurchases of common stock |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,492,000,000 | $ 2,001,000,000 | $ 2,096,000,000 |
Additional share repurchase program authorized amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000,000,000
Remaining authorized repurchase amount under share repurchase program | $ 3,000,000,000 |  |  |  |  |  |  |  |  |  |  |  | $ 3,000,000,000 |  |  |
Common stock, par value (in USD per share) | $ 1 |  |  |  | $ 1 |  |  |  |  |  |  |  | $ 1 | $ 1 |  |
Additional paid-in capital | $ 0 |  |  |  | $ 0 |  |  |  |  |  |  |  | $ 0 | $ 0 |  | $ 0
Reduction to stockholder's equity due to repurchases of common stock |  |  |  |  |  |  |  |  |  |  |  |  | 1,492,000,000 | 2,001,000,000 | 2,096,000,000 |
Dividends paid |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,347,000,000 | $ 2,163,000,000 | $ 2,048,000,000 |
Common stock dividends per share paid (in dollars per share) | $ 2.2 | $ 2.00 | $ 2 | $ 2.00 | $ 2.00 | $ 1.82 | $ 1.82 | $ 1.82 | $ 1.82 | $ 1.65 | $ 1.65 | $ 1.65 | $ 8.20 | $ 7.46 | $ 6.77 |
Retained Earnings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shareholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reduction to stockholder's equity due to repurchases of common stock |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,083,000,000 | $ 1,596,000,000 | $ 1,692,000,000 |

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- Definition Increase to the authorized amount of the Company's share repurchase program by the Board of Directors. + References No definition available. + Details
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- Definition Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -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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- Definition Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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- Definition Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -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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