v2.3.0.11
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
Jun. 30, 2011
Level 3 [Member]
Jun. 30, 2011
Level 3 [Member]
Jun. 30, 2011
Level 3 [Member]
U.S. Property Fund [Member]
Dec. 31, 2010
Level 3 [Member]
U.S. Property Fund [Member]
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]
Jun. 30, 2011
Other Postretirement Benefits Plan [Member]
Jun. 30, 2010
Other Postretirement Benefits Plan [Member]
Jun. 30, 2011
U.S. Property Fund [Member]
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