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Finance Leases (Details)
$ in Millions
Dec. 31, 2021
USD ($)
Receivables [Abstract]  
Sales-type and Direct Financing Leases, Lease Receivable, Undiscounted Excess Amount $ 206
Sales-type and Direct Financing Leases, Lease Receivable 4,631
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year One 2,190
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Two 1,376
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Three 897
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Four 322
Sales-Type and Direct Financing Leases, Lease Receivable, to be Received, Year Five 52
Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received 4,837
Lessee, Operating Lease, Liability, Undiscounted Excess Amount $ 7
Minimum [Member]  
Accounts, Notes, Loans and Financing Receivable [Line Items]  
Lessor, Sales-type Lease, Term of Contract 24 months
Maximum [Member]  
Accounts, Notes, Loans and Financing Receivable [Line Items]  
Lessor, Sales-type Lease, Term of Contract 60 months