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Leases - Supplemental Balance Sheet Information Related To Leases (Detail)
$ in Millions
Dec. 31, 2019
USD ($)
Operating leases:  
Operating lease ROU assets $ 514
Other current liabilities 118
Operating lease liabilities 435
Total operating lease liabilities $ 553
Weighted average Remaining Lease Term 7 years 6 months
Weighted average Discount Rate 6.00%