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Prior-Period Financial Statements - Consolidated Statement of Shareholders' Equity (Unaudited) (Details) - USD ($) $ in Millions | Apr. 02, 2017 | Dec. 31, 2016 | Apr. 03, 2016 | Dec. 31, 2015
--- | --- | --- | --- | ---
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity | $ 10,583 | $ 10,301 | $ 10,192 | $ 10,440
Cumulative-effect adjustment of ASC Topic 606 on January 1, 2016 |  |  |  | (298)
Total shareholders' equity |  |  |  | 10,440
Previously Reported |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  | 10,976 | (156) | 10,738
Accounting Standards Update 2016-09 | Restatement Adjustment |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  | 0 | 0 |
Accounting Standards Update 2014-09 | Restatement Adjustment |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  | (675) | (92) |
Accounting Standards Update 2015-17 | Restatement Adjustment |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  | 0 | 0 |
Common Stock, Par |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity | 482 | 482 | 482 | 482
Total shareholders' equity |  |  |  | 482
Common Stock, Par | Previously Reported |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  |  | 0 |
Common Stock, Par | Accounting Standards Update 2016-09 | Restatement Adjustment |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  |  | 0 |
Common Stock, Par | Accounting Standards Update 2014-09 | Restatement Adjustment |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  |  | 0 |
Common Stock, Par | Accounting Standards Update 2015-17 | Restatement Adjustment |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  |  | 0 |
Common Stock, Surplus |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity | 2,762 | 2,819 | 2,725 | 2,730
Total shareholders' equity |  |  |  | 2,730
Common Stock, Surplus | Previously Reported |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  |  | 10 |
Common Stock, Surplus | Accounting Standards Update 2016-09 | Restatement Adjustment |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  |  | (15) |
Common Stock, Surplus | Accounting Standards Update 2014-09 | Restatement Adjustment |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  |  | 0 |
Common Stock, Surplus | Accounting Standards Update 2015-17 | Restatement Adjustment |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  |  | 0 |
Retained Earnings |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity | 25,049 | 24,543 | 23,310 | 22,903
Cumulative-effect adjustment of ASC Topic 606 on January 1, 2016 |  |  |  | (301)
Total shareholders' equity |  |  |  | 22,903
Retained Earnings | Previously Reported |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  |  | 483 | 23,204
Retained Earnings | Accounting Standards Update 2016-09 | Restatement Adjustment |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  |  | 15 |
Retained Earnings | Accounting Standards Update 2014-09 | Restatement Adjustment |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  |  | (91) |
Retained Earnings | Accounting Standards Update 2015-17 | Restatement Adjustment |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  |  | 0 |
Treasury Stock |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity | (14,448) | (14,156) | (13,386) | (12,392)
Total shareholders' equity |  |  |  | (12,392)
Treasury Stock | Previously Reported |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  |  | (994) |
Treasury Stock | Accounting Standards Update 2016-09 | Restatement Adjustment |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  |  | 0 |
Treasury Stock | Accounting Standards Update 2014-09 | Restatement Adjustment |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  |  | 0 |
Treasury Stock | Accounting Standards Update 2015-17 | Restatement Adjustment |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  |  | 0 |
Accumulated Other Comprehensive Loss |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity | $ (3,262) | $ (3,387) | (2,939) | (3,283)
Cumulative-effect adjustment of ASC Topic 606 on January 1, 2016 |  |  |  | 3
Total shareholders' equity |  |  |  | (3,283)
Accumulated Other Comprehensive Loss | Previously Reported |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  |  | 345 | $ (3,286)
Accumulated Other Comprehensive Loss | Accounting Standards Update 2016-09 | Restatement Adjustment |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  |  | 0 |
Accumulated Other Comprehensive Loss | Accounting Standards Update 2014-09 | Restatement Adjustment |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  |  | (1) |
Accumulated Other Comprehensive Loss | Accounting Standards Update 2015-17 | Restatement Adjustment |  |  |  |
New Accounting Pronouncements |  |  |  |
Total shareholders’ equity |  |  | $ 0 |

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