Annual report pursuant to Section 13 and 15(d)

Goodwill and Other Intangible Assets - Intangible Assets Subject to Amortization (Details)

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Goodwill and Other Intangible Assets - Intangible Assets Subject to Amortization (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Intangible Assets    
Gross carrying amount $ 8,668 $ 7,677
Accumulated amortization (2,728) (1,962)
Net carrying amount 5,940 5,715
FIA Agreement    
Intangible Assets    
Gross carrying amount 3,630 3,630
Accumulated amortization (543) (346)
Net carrying amount $ 3,087 3,284
Weighted average remaining life (in years) 35 years  
Customer relationships    
Intangible Assets    
Gross carrying amount $ 3,086 2,684
Accumulated amortization (1,123) (795)
Net carrying amount $ 1,963 1,889
Customer relationships | Minimum    
Intangible Assets    
Weighted average remaining life (in years) 10 years  
Customer relationships | Maximum    
Intangible Assets    
Weighted average remaining life (in years) 15 years  
Licensing agreements    
Intangible Assets    
Gross carrying amount $ 316 316
Accumulated amortization (185) (162)
Net carrying amount $ 131 154
Weighted average remaining life (in years) 15 years  
Other    
Intangible Assets    
Gross carrying amount $ 1,636 1,047
Accumulated amortization (877) (659)
Net carrying amount $ 759 $ 388