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Lease Accounting - Components of Leases on BS (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Lessee, Lease, Description [Line Items]    
Operating lease current liabilities $ 45 $ 47
Accrued and other current liabilities 3,329 3,071
Non-current operating lease liabilities 798 814
Property, plant and equipment, net 80,311 81,607
Current maturities of long-term debt 2 680
Long-term debt, less current maturities 48,260 49,022
Other non-current liabilities 1,341 1,323
Operating Leases [Member]    
Lessee, Lease, Description [Line Items]    
Lease right-of-use assets, net 808 826
Operating lease current liabilities 45 47
Accrued and other current liabilities 1 1
Non-current operating lease liabilities 798 814
Finance Leases [Member]    
Lessee, Lease, Description [Line Items]    
Accrued and other current liabilities 0 1
Property, plant and equipment, net 1 1
Lease right-of-use assets, net 11 12
Current maturities of long-term debt 2 3
Long-term debt, less current maturities 9 9
Other non-current liabilities $ 1 $ 1