XML 66 R54.htm IDEA: XBRL DOCUMENT v3.21.2
Supplemental Financial Information - Other Assets (Details) - USD ($)
$ in Millions
Sep. 30, 2021
Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Derivative contracts $ 251 $ 90
Intangible assets, net 295 295
Other 373 337
Other assets $ 919 $ 722