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Long-term Financing and Sales of Receivables - Credit Quality of Long-Term Receivables and Allowance for Credit Losses (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Total Long-term Receivable	$ 65	$ 36
Financing receivables	22	13
Current Billed Due
Debt Instrument [Line Items]
Financing receivables	5	2
Past Due Under 90 Days
Debt Instrument [Line Items]
Financing receivables	1	1
Past Due Over 90 Days
Debt Instrument [Line Items]
Financing receivables	2	2
Municipal leases secured tax exempt
Debt Instrument [Line Items]
Total Long-term Receivable	31	15
Municipal leases secured tax exempt | Current Billed Due
Debt Instrument [Line Items]
Financing receivables	2	1
Municipal leases secured tax exempt | Past Due Under 90 Days
Debt Instrument [Line Items]
Financing receivables	1	1
Municipal leases secured tax exempt | Past Due Over 90 Days
Debt Instrument [Line Items]
Financing receivables	1	1
Commercial loans and leases secured
Debt Instrument [Line Items]
Total Long-term Receivable	34	21
Commercial loans and leases secured | Current Billed Due
Debt Instrument [Line Items]
Financing receivables	3	1
Commercial loans and leases secured | Past Due Under 90 Days
Debt Instrument [Line Items]
Financing receivables	0	0
Commercial loans and leases secured | Past Due Over 90 Days
Debt Instrument [Line Items]
Financing receivables	$ 1	$ 1

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