Annual report pursuant to Section 13 and 15(d)

Leases - Income Statement Location Table (Details)

v3.22.0.1
Leases - Income Statement Location Table (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Finance lease cost:      
Total lease cost $ 633 $ 441 $ 625
Operating costs and expenses [Member]      
Lessee, Lease, Description [Line Items]      
Operating lease cost [1] 621 432 612
Finance lease cost:      
Short-term lease costs 139 93 230
Variable lease costs 21 16 7
Depreciation and amortization expense [Member]      
Finance lease cost:      
Amortization of right-of-use assets 3 2 3
Interest expense, net of capitalized interest [Member]      
Finance lease cost:      
Interest on lease liabilities $ 9 $ 7 $ 10
[1] Presented in cost of sales, operating and maintenance expense or selling, general and administrative expense consistent with the nature of the asset under lease.