XML 88 R70.htm IDEA: XBRL DOCUMENT v3.20.4
Leases - Supplemental Balance Sheet Information Related To Leases (Detail) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Operating leases:    
Operating lease ROU assets $ 559 $ 514
Other current liabilities 116 118
Operating lease liabilities 479 435
Total operating lease liabilities $ 595 $ 553
Weighted average remaining lease term Operating leases 7 years 6 months 7 years 6 months
Weighted average discount rate Operating leases 5.20% 6.00%
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] us-gaap:OperatingLeaseLiabilityCurrent us-gaap:OperatingLeaseLiabilityCurrent