v3.21.2
Accumulated Other Comprehensive Loss - Components of Accumulated Other Comprehensive Loss in the Equity Section of the Balance Sheet (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Accumulated Other Comprehensive Loss [Abstract]        
Defined Benefit Plans, Beginning Balance     $ (425)  
Defined Benefit Plans $ (35) $ 31 (169) $ 13
Defined Benefit Plans, Ending Balance (256)   (256)  
Net Unrealized Gain on Securities, Beginning Balance     2  
Net Unrealized Loss on Securities     (1)  
Net Unrealized Gain on Securities, Ending Balance 1   1  
Foreign Currency Translation, Beginning Balance     (4,795)  
Foreign Currency Translation (238) 190 (73) (298)
Foreign Currency Translation, Ending Balance (4,868)   (4,868)  
Accumulated Other Comprehensive Income, Beginning Balance     (5,218)  
Other Comprehensive Income (Loss), Net of Tax (203) $ 159 95 $ (309)
Accumulated Other Comprehensive Income, Ending Balance $ (5,123)   $ (5,123)