Financing Receivables - Components of Financing Receivables (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Components of the company's financing receivables
Net investment in lease, gross	$ 3,853.0	$ 4,023.0
Net investment in lease, unearned income	(363.0)	(351.0)
Net investment in lease, unguaranteed residual value	400.0	422.0
Net investment in lease, amortized cost	3,890.0	4,094.0
Net investment in lease, allowance for credit loss	(58.0)	(60.0)
Total net investment in lease, net	3,831.0	4,034.0
Financing receivable and net investment in lease, gross	12,265.0	14,136.0
Financing receivable and net investment in lease, unearned income	(773.0)	(790.0)
Financing receivable and net investment in lease, unguaranteed residual value	400.0	422.0
Financing receivable and net investment in lease, amortized cost	11,891.0	13,769.0
Financing receivable and net investment in lease, allowance for credit loss	(164.0)	(173.0)
Financing receivable and net investment in lease, net	11,727.0	13,596.0
Asset Pledged as Collateral
Components of the company's financing receivables
Amortized Cost	283.0	349.0
Current Assets
Components of the company's financing receivables
Net investment in lease, current	1,445.0	1,485.0
Financing receivable and net investment in lease, net	6,662.0	7,790.0
Noncurrent Assets
Components of the company's financing receivables
Net investment in lease, noncurrent	2,387.0	2,549.0
Financing receivable and net investment in lease, net	5,065.0	5,806.0
Loan receivables
Components of the company's financing receivables
Financing receivables, gross	7,558.0	8,875.0
Unearned income	(410.0)	(439.0)
Amortized Cost	7,148.0	8,437.0
Allowance for credit losses	(100.0)	(108.0)
Total financing receivables, net	7,047.0	8,329.0
Loan receivables \| Current Assets
Components of the company's financing receivables
Total financing receivables, net	4,369.0	5,073.0
Loan receivables \| Noncurrent Assets
Components of the company's financing receivables
Total financing receivables, net	2,678.0	3,256.0
Commercial financing receivables, Held for investment
Components of the company's financing receivables
Financing receivables, gross	250.0	299.0
Amortized Cost	250.0	299.0
Allowance for credit losses	(6.0)	(5.0)
Total financing receivables, net	244.0	293.0
Commercial financing receivables, Held for investment \| Current Assets
Components of the company's financing receivables
Total financing receivables, net	244.0	293.0
Commercial financing receivables, Held for sale
Components of the company's financing receivables
Financing receivables, gross	605.0	939.0
Amortized Cost	605.0	939.0
Total financing receivables, net	605.0	939.0
Commercial financing receivables, Held for sale \| Current Assets
Components of the company's financing receivables
Total financing receivables, net	605.0	939.0
Client Financing Receivables
Components of the company's financing receivables
Financing receivable and net investment in lease, amortized cost	11,037.0	12,531.0
Financing receivable and net investment in lease, allowance for credit loss	$ (159.0)	$ (168.0)	$ (195.0)

Amount of allowance for credit loss on financing receivable and net investment in lease.

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Amortized cost, before allowance for credit loss, fee, and loan in process, of financing receivable and net investment in lease.

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Amount of unamortized loan commitment, origination, and other costs (fees) and purchase premium (discount) on financing receivable and net investment in lease.

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The estimate of the financing receivable and net investment in lease's economic value at the end of the lease term that includes the unguaranteed residual value.

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Amortized cost, before allowance for credit loss, fee, and loan in process, of net investment in lease.

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The estimate of the net investment in lease's economic value at the end of the lease term that includes the unguaranteed residual value.

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Amortized cost, after allowance for credit loss, of financing receivable and net investment in lease.

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amortized cost, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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Amount of unamortized loan commitment, origination, and other costs (fees) and purchase premium (discount) on financing receivable recognized as adjustment to yield. Excludes financing receivable covered under loss sharing agreement.

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