XML 74 R60.htm IDEA: XBRL DOCUMENT v3.21.2
Commitments and Contingencies - Location and Amounts of Leases (Details) - USD ($)
$ in Millions
Sep. 30, 2021
Dec. 31, 2020
Assets    
Lease right of use assets $ 462 $ 494
Liabilities    
Current lease liabilities 96 100
Non-current lease liabilities $ 508 $ 544
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Other Liabilities, Current Other Liabilities, Current