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Commitments and Contingencies (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Loss Contingencies [Line Items]
Selling, general and administrative	$ 1,696	$ 1,546	$ 3,300	$ 3,013
Subscriber funds	1,200		1,200		$ 1,700
GST/HST Law Change
Loss Contingencies [Line Items]
Selling, general and administrative	27		27
First Data \| First Data Subsidiary Merchant Matters
Loss Contingencies [Line Items]
Loss contingency accrual	31		31		$ 21
Minimum \| First Data \| First Data Subsidiary Merchant Matters
Loss Contingencies [Line Items]
Estimated range of exposure	0		0
Maximum \| First Data \| First Data Subsidiary Merchant Matters
Loss Contingencies [Line Items]
Estimated range of exposure	$ 80		$ 80