Annual report pursuant to Section 13 and 15(d)

Leases - Lease Cost and Supplemental Information (Details)

v3.22.0.1
Leases - Lease Cost and Supplemental Information (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Leases [Abstract]    
Right-of-use asset $ 10,233 $ 10,000
Lease liabilities $ 10,858 $ 10,474
Weighted-average discount rate used to calculate present value of future minimum lease payments 2.91% 3.38%
Weighted-average lease term (in years) 9 years 8 years 4 months 24 days
Lease Cost and Supplemental Information:    
Operating lease cost $ 2,025 $ 2,149
Variable lease cost 462 474
Total lease cost 2,487 2,623
Right-of-use assets obtained in exchange for new operating lease liabilities 1,713 851
Operating cash flows from operating leases $ 1,964 $ 2,039