Annual report pursuant to Section 13 and 15(d)

Goodwill and Other Intangible Assets - Intangible Assets (Details)

v3.20.4
Goodwill and Other Intangible Assets - Intangible Assets (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Intangible Assets subject to amortization      
Gross carrying amount $ 1,648 $ 1,588  
Accumulated amortization (1,446) (1,311)  
Net carrying amount 202 277  
Amortization expense $ 136 139 $ 137
Customer relationships      
Intangible Assets subject to amortization      
Weighted Average Remaining Useful Life 1 year    
Gross carrying amount $ 1,059 1,036  
Accumulated amortization (992) (910)  
Net carrying amount $ 67 126  
Other      
Intangible Assets subject to amortization      
Weighted Average Remaining Useful Life 3 years    
Gross carrying amount $ 589 552  
Accumulated amortization (454) (401)  
Net carrying amount $ 135 $ 151