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Debt and Credit Agreements - Activity Related to Long-Term Debt (Details) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 26, 2015 | Jun. 27, 2014
Movement, Debt Instruments [Roll Forward] |  |
Beginning balance, current portion | $ 228 |
Beginning balance, long-term portion | 9,514 |
Beginning balance, total | 9,742 |
Long-term debt issued | 600 | $ 0
Long-term debt repaid | (210) | $ (244)
Discount, premium and other activity | (7) |
Ending balance, current portion | 18 |
Ending balance, long-term portion | 10,107 |
Ending balance, total | 10,125 |
Current Portion |  |
Movement, Debt Instruments [Roll Forward] |  |
Beginning balance, current portion | 228 |
Long-term debt issued | 0 |
Long-term debt repaid | (210) |
Discount, premium and other activity | 0 |
Ending balance, current portion | 18 |
Long-term Portion |  |
Movement, Debt Instruments [Roll Forward] |  |
Beginning balance, long-term portion | 9,514 |
Long-term debt issued | 600 |
Long-term debt repaid | 0 |
Discount, premium and other activity | (7) |
Ending balance, long-term portion | $ 10,107 |

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- Definition The component of interest expense representing the noncash expenses charged against earnings in the period to amortize debt discount and premium associated with the related debt instruments and other activity related to issuances and repayments. Excludes amortization of financing costs. + References No definition available. + Details
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- Definition Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13,16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer. + 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 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section H + Details
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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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