Income Taxes (Details) (Schedule of Gross Unrecognized Tax Benefits) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 26, 2015 |
Dec. 27, 2014 |
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| Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] | |||
| Unrecognized tax benefits, beginning | $ 38 | $ 28 | $ 52 |
| Increases for tax positions taken in prior years | 3 | 11 | 1 |
| Decreases for tax positions taken in prior years | 0 | (1) | 0 |
| Increases for tax positions taken in the current year | 2 | 2 | 2 |
| Decreases for settlements with taxing authorities | 0 | (2) | (27) |
| Decreases for lapsing of the statute of limitations | (1) | 0 | 0 |
| Unrecognized tax benefits, ending | $ 42 | $ 38 | $ 28 |
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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