Annual report pursuant to Section 13 and 15(d)

Goodwill and Other Intangible Assets - Intangible Assets (Details)

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Goodwill and Other Intangible Assets - Intangible Assets (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Intangible Assets subject to amortization      
Gross carrying amount $ 1,662 $ 1,648  
Accumulated amortization (1,529) (1,446)  
Net carrying amount 133 202  
Amortization expense $ 122 136 $ 139
Customer relationships      
Intangible Assets subject to amortization      
Weighted Average Remaining Useful Life 1 year    
Gross carrying amount $ 1,046 1,059  
Accumulated amortization (1,030) (992)  
Net carrying amount $ 16 67  
Other      
Intangible Assets subject to amortization      
Weighted Average Remaining Useful Life 3 years    
Gross carrying amount $ 616 589  
Accumulated amortization (499) (454)  
Net carrying amount $ 117 $ 135