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Supplemental Cash Flow Information Related to Leases (Detail)
$ in Millions
9 Months Ended
Sep. 28, 2019
USD ($)
Leases [Abstract]  
Operating cash flows from finance leases $ 4
Operating cash flows from operating leases 366
Financing cash flows from finance leases 16
Right-of-use assets obtained in exchange for new finance lease liabilities 21
Right-of-use assets obtained in exchange for new operating lease liabilities $ 211