Annual report pursuant to Section 13 and 15(d)

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

v3.19.3.a.u2
Goodwill and Other Intangible Assets, Net (Other Intangible Assets) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Finite-lived and Indefinite-lived Intangible Assets by Major Class [Line Items]      
Remaining weighted average years 1 year 3 months    
Indefinite-Lived Trade Names $ 2,878 $ 3,025  
Intangible Assets, Gross (Excluding Goodwill) 6,602 6,756  
Other Intangible Assets (Excluding Goodwill), Accumulated Amortization 3,104 3,090  
Other intangible assets, net 3,498 3,666  
Finite-Lived Intangible Assets, Period Increase (Decrease) (130) (11)  
Amortization of Other Intangible Assets 149 160 $ 207
Purchased and internally developed software      
Finite-lived and Indefinite-lived Intangible Assets by Major Class [Line Items]      
Capitalized Computer Software, Gross 885 890  
Capitalized Computer Software, Accumulated Amortization 603 640  
Capitalized Computer Software, Net $ 282 250  
Remaining weighted average years 3 years    
Customer Lists [Member]      
Finite-lived and Indefinite-lived Intangible Assets by Major Class [Line Items]      
Remaining weighted average years 7 years    
Finite-Lived Customer Relationships, Gross $ 2,829 2,831  
Finite-Lived Customer Relationships, Accumulated Amortization 2,499 2,450  
Finite lived customer relationships, net $ 330 381  
Debt [Member]      
Finite-lived and Indefinite-lived Intangible Assets by Major Class [Line Items]      
Remaining weighted average years 4 years    
Debt Issuance Costs, Gross $ 10 10  
Accumulated Amortization, Debt Issuance Costs 2 0  
Debt Issuance Costs, Net $ 8 $ 10