Goodwill (Details) $ in Millions	6 Months Ended
Jun. 30, 2020 USD ($)
Goodwill [Line Items]
Goodwill, beginning balance	$ 36,038
Acquisitions and valuation adjustments	409
Foreign currency translation	(359)
Goodwill, ending balance	36,088
Acceptance
Goodwill [Line Items]
Goodwill, beginning balance	21,189
Acquisitions and valuation adjustments	394
Foreign currency translation	(276)
Goodwill, ending balance	21,307
Fintech
Goodwill [Line Items]
Goodwill, beginning balance	2,104
Acquisitions and valuation adjustments	0
Foreign currency translation	(3)
Goodwill, ending balance	2,101
Payments
Goodwill [Line Items]
Goodwill, beginning balance	12,745
Acquisitions and valuation adjustments	15
Foreign currency translation	(80)
Goodwill, ending balance	$ 12,680

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 350
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-Section 50
-Paragraph 1
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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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