v2.3.0.11
Postretirement Benefit Plans (Narrative) (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 26, 2011
Jun. 26, 2011
Postretirement Benefit Plans    
Expected required contributions to defined benefit plans for the remaining fiscal year $ 1,000,000,000 $ 1,000,000,000
Contributions to defined benefit plans 325,000,000 325,000,000
Expected contributions to defined benefit plans for the fiscal year 1,300,000,000 1,300,000,000
Total expected contributions to defined benefit plans for the remaining fiscal year $ 975,000,000 $ 975,000,000