Annual report pursuant to Section 13 and 15(d)

Goodwill and Other Intangible Assets, Net (Other Intangible Assets) (Details)

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Goodwill and Other Intangible Assets, Net (Other Intangible Assets) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Finite-lived and Indefinite-lived Intangible Assets by Major Class [Line Items]      
Indefinite-Lived Trade Names $ 2,878 $ 2,878  
Intangible Assets, Gross (Excluding Goodwill) 6,664 6,685  
Other Intangible Assets (Excluding Goodwill), Accumulated Amortization 3,257 3,231  
Other intangible assets, net (note 6) 3,407 3,454  
Finite-Lived Intangible Assets, Period Increase (Decrease) (116) (48)  
Amortization 270 282 $ 282
Purchased and internally developed software      
Finite-lived and Indefinite-lived Intangible Assets by Major Class [Line Items]      
Capitalized Computer Software, Gross 945 952  
Capitalized Computer Software, Accumulated Amortization 659 663  
Capitalized Computer Software, Net $ 286 289  
Finite-Lived Intangible Asset, Useful Life 2 years 4 months 24 days    
Customer Relationships [Member]      
Finite-lived and Indefinite-lived Intangible Assets by Major Class [Line Items]      
Finite-Lived Customer Relationships, Gross $ 2,832 2,845  
Finite-Lived Customer Relationships, Accumulated Amortization 2,598 2,564  
Finite lived customer relationships, net $ 234 281  
Finite-Lived Intangible Asset, Useful Life 5 years    
Debt [Member]      
Finite-lived and Indefinite-lived Intangible Assets by Major Class [Line Items]      
Debt Issuance Costs, Gross $ 9 10  
Accumulated Amortization, Debt Issuance Costs 0 4  
Debt Issuance Costs, Net $ 9 6  
Finite-Lived Intangible Asset, Useful Life 4 years 9 months 18 days    
Finite-Lived Intangible Assets [Member]      
Finite-lived and Indefinite-lived Intangible Assets by Major Class [Line Items]      
Amortization $ 163 $ 149 $ 149