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Lessee, Lease, Renewal Term

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Settlement Receivables And Payables, Payment Or Collection Period

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Amount of loss from impairment of right-of-use asset from operating lease.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Percentage of fair value of reporting unit in excess of carrying amount.

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Summary of Significant Accounting Policies - Narrative (Details) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) contract shares	Dec. 31, 2020 USD ($) contract shares	Dec. 31, 2019 shares
Summary of Significant Accounting Policies (Textuals) [Abstract]
Cash flow hedge contracts \| contract	0	0
Contract assets	$ 238	$ 186
Goodwill impairment loss		94
Impairment of held for use assets		42
Operating lease impairment loss		$ 30
Purchase of common shares (in shares) (current year less than) \| shares	2	1	1
Merchant Solutions
Summary of Significant Accounting Policies (Textuals) [Abstract]
Reporting unit, percentage of fair value in excess of carrying amount		4.00%
Goodwill impairment loss		$ 0
Corporate and Other
Summary of Significant Accounting Policies (Textuals) [Abstract]
Goodwill impairment loss		$ 94
Buildings
Summary of Significant Accounting Policies (Textuals) [Abstract]
Fixed asset, estimated useful life	30 years
Minimum
Summary of Significant Accounting Policies (Textuals) [Abstract]
Payment or collection period	1 day
Lease renewal term	1 year
Minimum \| Furniture and fixture
Summary of Significant Accounting Policies (Textuals) [Abstract]
Fixed asset, estimated useful life	3 years
Maximum
Summary of Significant Accounting Policies (Textuals) [Abstract]
Payment or collection period	3 days
Lease renewal term	5 years
Maximum \| Furniture and fixture
Summary of Significant Accounting Policies (Textuals) [Abstract]
Fixed asset, estimated useful life	7 years
Customer relationships
Summary of Significant Accounting Policies (Textuals) [Abstract]
Intangible assets, estimated useful lives	10 years
Trademarks \| Maximum
Summary of Significant Accounting Policies (Textuals) [Abstract]
Intangible assets, estimated useful lives	5 years
Software \| Minimum
Summary of Significant Accounting Policies (Textuals) [Abstract]
Intangible assets, estimated useful lives	1 year
Software \| Maximum
Summary of Significant Accounting Policies (Textuals) [Abstract]
Intangible assets, estimated useful lives	10 years
Internally developed software \| Minimum
Summary of Significant Accounting Policies (Textuals) [Abstract]
Intangible assets, estimated useful lives	3 years
Internally developed software \| Maximum
Summary of Significant Accounting Policies (Textuals) [Abstract]
Intangible assets, estimated useful lives	10 years