Quarterly report pursuant to Section 13 or 15(d)

Leases - Lease Cost and Supplemental Information (Details)

v3.19.3
Leases - Lease Cost and Supplemental Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2019
Leases [Abstract]    
Operating lease cost $ 522 $ 1,561
Variable lease cost 124 364
Total lease cost 646 1,925
Right-of-use assets obtained in exchange for new operating lease liabilities 108 756
Operating cash flows from operating leases $ 507 $ 1,507