Represents the tax assessment issued by the tax authority including interest and penalties.

No definition available.

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- Definition

Payment required to appeal a litigation matter

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349

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- Definition

The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.

+ References

+ Details

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- Definition

The difference between the maximum amount of estimated loss and the amount recorded as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 05
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=99385795&loc=d3e12631-108344

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- Definition

Amount of cash outflow for taxes classified as other.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585

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COMMITMENTS AND CONTINGENCIES (Tax Matters) (Details) ₺ in Millions, € in Millions, $ in Millions	1 Months Ended							12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2019 EUR (€)	Jan. 31, 2019 USD ($)	Jan. 31, 2019 EUR (€)	Dec. 31, 2018 USD ($)	Dec. 31, 2018 EUR (€)	Dec. 31, 2015 EUR (€)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 TRY (₺)	Dec. 31, 2018 USD ($)
French Tax Audit
Travel Transaction Taxes
Assessed taxes including interest and penalties	$ 79	€ 70					€ 356
Payment required to appeal a litigation matter			$ 403	€ 356
Transfer Tax Assessments
Travel Transaction Taxes
Assessed taxes including interest and penalties	44	39
Italian Tax Audit
Travel Transaction Taxes
Assessed taxes including interest and penalties	65	58			$ 53	€ 48
Payment required to appeal a litigation matter	11	€ 10
Turkish Tax Audit
Travel Transaction Taxes
Assessed taxes including interest and penalties								$ 91	₺ 544
Taxes Owed For Prior Periods
Travel Transaction Taxes
Loss in period										$ 46
Accruals for loss contingencies	67							67
Potential loss related to loss contingencies in excess of the accrued amount	25							25
Wage-Related Taxes and Interest Owed for Prior Periods
Travel Transaction Taxes
Payments for estimated probable taxes owed for prior tax years								61
Pension-Related Litigation
Travel Transaction Taxes
Potential loss related to loss contingencies in excess of the accrued amount	$ 200							$ 200