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Employee Benefit Plans (Details) (USD $)
In Millions |
3 Months Ended | 6 Months Ended | 3 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Jun. 30, 2011
Level 3 [Member]
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Jun. 30, 2011
Level 3 [Member]
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Jun. 30, 2011
Level 3 [Member]
U.S. Property Fund [Member]
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Dec. 31, 2010
Level 3 [Member]
U.S. Property Fund [Member]
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Jun. 30, 2011
Level 3 [Member]
Hedge Funds [Member]
|
Jun. 30, 2011
Level 3 [Member]
Hedge Funds [Member]
|
Jun. 30, 2011
Level 3 [Member]
Non-U.S. Property Fund [Member]
|
Mar. 31, 2011
Level 3 [Member]
Non-U.S. Property Fund [Member]
|
Jun. 30, 2011
Level 3 [Member]
Non-U.S. Insurance Contracts [Member]
|
Mar. 31, 2011
Level 3 [Member]
Non-U.S. Insurance Contracts [Member]
|
Dec. 31, 2010
Level 3 [Member]
Non-U.S. Insurance Contracts [Member]
|
Jun. 30, 2011
U.S. Pension Benefits [Member]
|
Jun. 30, 2010
U.S. Pension Benefits [Member]
|
Jun. 30, 2011
U.S. Pension Benefits [Member]
|
Jun. 30, 2010
U.S. Pension Benefits [Member]
|
Jun. 30, 2011
Non-U.S. Pension Benefits [Member]
|
Jun. 30, 2010
Non-U.S. Pension Benefits [Member]
|
Jun. 30, 2011
Non-U.S. Pension Benefits [Member]
|
Jun. 30, 2010
Non-U.S. Pension Benefits [Member]
|
Jun. 30, 2011
Other Postretirement Benefits Plan [Member]
|
Jun. 30, 2010
Other Postretirement Benefits Plan [Member]
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Jun. 30, 2011
Other Postretirement Benefits Plan [Member]
|
Jun. 30, 2010
Other Postretirement Benefits Plan [Member]
|
Jun. 30, 2011
U.S. Property Fund [Member]
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| Components of net periodic benefit cost | ||||||||||||||||||||||||
| Service cost | $ 9 | $ 8 | $ 18 | $ 16 | $ 2 | $ 2 | $ 4 | $ 3 | $ 2 | $ 2 | $ 4 | $ 4 | ||||||||||||
| Interest cost | 5 | 5 | 10 | 11 | 8 | 7 | 16 | 12 | 2 | 3 | 4 | 6 | ||||||||||||
| Expected return on plan assets | (8) | (7) | (16) | (14) | (8) | (6) | (16) | (10) | ||||||||||||||||
| Amortization of prior service cost (benefit) | 1 | (1) | (2) | 1 | ||||||||||||||||||||
| Amortization of net loss | 2 | 3 | 4 | 6 | 1 | 2 | 2 | |||||||||||||||||
| Net Periodic Cost (Benefit) | 8 | 9 | 16 | 19 | 3 | 4 | 6 | 7 | 3 | 5 | 6 | 11 | ||||||||||||
| Fair value of plan assets | ||||||||||||||||||||||||
| Fair value of plan assets, beginning balance | 148 | 49 | 14 | 14 | 98 | 0 | 19 | 20 | 16 | 16 | 16 | |||||||||||||
| Unrealized gains | 3 | 6 | 1 | 2 | 4 | 1 | 1 | |||||||||||||||||
| Transfers from Level 2 to Level 3 Plan Assets | 2 | 98 | 2 | 98 | ||||||||||||||||||||
| Fair value of plan assets, ending balance | $ 153 | $ 153 | $ 15 | $ 14 | $ 102 | $ 102 | $ 20 | $ 20 | $ 16 | $ 16 | $ 16 | |||||||||||||