|
Financial Instruments (Details) (Roll-forward of Level 3 Financial Assets) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 29, 2012
|
Dec. 31, 2011
|
Dec. 25, 2010
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | |||
| Redemptions at par | $ (6) | $ (21) | |
| Gain (loss) included in earnings | 0 | 2 | |
| Gain (loss) included in other comprehensive income (loss) | 0 | 0 | |
| Ending balance | $ 28 | $ 38 | $ 57 |
| X | ||||||||||
|
- Definition
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Redemption At Par No definition available.
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
Amount of gain (loss) recognized in earnings, arising from assets measured at fair value on a recurring basis using unobservable inputs (level 3). Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of gain (loss) recognized in other comprehensive income, arising from assets measured at fair value on a recurring basis using unobservable inputs (level 3). Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
This element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|