Average discount rate of notes receivable.

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Borrowings and Credit Arrangements.

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Borrowings And Credit Arrangements Textuals Abstract.

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Exclusion from EBITDA for Restructuring Charges

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Legal payments remaining to be excluded from calculation of consolidated EBITDA

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Exclusion of litigation payments and any debt Issued to fund tax deficiency payments

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Maximum Commercial Paper Outstanding with 2018 Facility

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Maximum leverage ratio permitted by revolving credit facility agreement.

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Restructuring charges remaining to be excluded from calculation of consolidated EBITDA.

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Senior notes issued

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Summary of compliance with debt covenants [Abstract].

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Weighted Average Maturity, Days

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Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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The average effective interest rate during the reporting period.

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Incremental percentage increase (decrease) in the stated rate on a debt instrument.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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Amount of unamortized debt discount (premium) and debt issuance costs.

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Amount of transferred financial assets in which the transferor has continuing involvement with the assets underlying the transaction that have been derecognized. Continuing involvement includes, but is not limited to, servicing, recourse, and restrictions on transferor's interests in transferred financial assets.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of the cost of borrowed funds accounted for as interest expense.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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No definition available.

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The effective interest rate during the reporting period.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

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Minimum amount of purchase arrangement maturing after the fifth fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments.

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Minimum amount of purchase arrangement maturing in the fifth fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments.

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Minimum amount of purchase arrangement maturing in the fourth fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments.

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Minimum amount of purchase arrangement maturing in the next fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments.

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Minimum amount of purchase arrangement maturing in the second fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments.

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Minimum amount of purchase arrangement maturing in the third fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments.

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Yield on the receivable, on which interest has been imputed, as calculated from its issuance value or purchase price. The calculated effective interest rate considers factors such as the issued face value or price paid for the receivable, the time period between payments, and the time until maturity [full receipt] of the receivable.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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The amount at risk under repurchase agreements is defined as the excess of carrying amount (or market value, if higher than the carrying amount or if there is no carrying amount) of the securities or other assets sold under agreement to repurchase, including accrued interest plus any cash or other assets on deposit to secure the repurchase obligation, over the amount of the repurchase liability (adjusted for accrued interest).

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Definite liabilities to third parties under a termination loan agreement, whether or not guaranteed in whole or in part by the government.

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Borrowings and Credit Arrangements (Details) € in Millions, £ in Millions				12 Months Ended
	Jan. 09, 2020 USD ($)	Dec. 05, 2019 USD ($)	Nov. 27, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2019 GBP (£)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 EUR (€)	Feb. 25, 2019 USD ($)	Dec. 19, 2018 USD ($)	Aug. 04, 2017 USD ($)
Debt Instrument [Line Items]
Purchase Obligation, Due in Next Twelve Months								$ 334,000,000
Recorded Unconditional Purchase Obligation Due in Next Twelve Months								1,000,000
Recorded Unconditional Purchase Obligation Due in Second Year								20,000,000
Purchase Obligation, Due in Third Year								7,000,000
Purchase Obligation, Due in Fourth Year								3,000,000
Purchase Obligation, Due in Fifth Year								1,000,000
Repurchase Agreement Counterparty, Amount at Risk								1.01
Senior notes issued								7,311,000,000
Schedule of debt maturities
Long-term Debt and Capital Lease Obligations					$ 4,803,000,000			8,592,000,000
Borrowings and Credit Arrangements (Textuals) [Abstract]
Total debt					7,056,000,000.000			10,008,000,000.000
Debt, Current					2,253,000,000			1,416,000,000
Amount of exclusions from EBITDA related to existing restructuring plans								500,000,000
Restructuring charges remaining to be excluded from calculation of consolidated EBITDA								270,000,000
Amount of exclusions from EBITDA related to future litigation charges and payments								2,624,000,000
Legal payments remaining to be excluded from calculation of consolidated EBITDA								1,199,000,000
Gain (Loss) on Extinguishment of Debt				$ 86,000,000
Repayments of Debt		$ 800,000,000	$ 200,000,000
Interest Expense				$ 473,000,000	241,000,000	$ 229,000,000
Purchase Obligation								366,000,000
Letters of Credit Outstanding, Amount					111,000,000			105,000,000
Borrowings [Member]
Borrowings and Credit Arrangements (Textuals) [Abstract]
Commercial Paper					$ 1,248,000,000			$ 711,000,000
Commercial Paper [Member]
Borrowings and Credit Arrangements (Textuals) [Abstract]
Weighted Average Maturity, Days				55 days	27 days
Maximum Commercial Paper Outstanding with 2018 Facility					$ 2,750,000,000						$ 2,750,000,000
Short-term Debt, Weighted Average Interest Rate, at Point in Time					3.04%		2.21%	2.21%	2.21%
August 2019 Term Loan [Member]
Borrowings and Credit Arrangements (Textuals) [Abstract]
Short-term Debt								$ 1,000,000,000.000
Covenant Requirement [Domain]
Summary of compliance with debt covenants
Maximum Leverage Ratio							3.75	3.75	3.75
Covenant Requirement [Member]
Summary of compliance with debt covenants
Maximum Leverage Ratio							4.75	4.75	4.75
Actual, Covenant [Member]
Summary of compliance with debt covenants
Maximum Leverage Ratio							3.83	3.83	3.83
Requirement, first two quarters following qualified acquisition [Member]
Summary of compliance with debt covenants
Maximum Leverage Ratio							4.75	4.75	4.75
Requirement, third quarter following qualified acquisition [Member]
Summary of compliance with debt covenants
Maximum Leverage Ratio							4.50	4.50	4.50
Requirement, fourth quarter following qualified acquisition [Member]
Summary of compliance with debt covenants
Maximum Leverage Ratio							4.25	4.25	4.25
Requirement, fifth quarter following qualified acquisition [Member]
Summary of compliance with debt covenants
Maximum Leverage Ratio							4.00	4.00	4.00
Requirement, sixth quarter and thereafter following qualified acquisition [Member]
Summary of compliance with debt covenants
Maximum Leverage Ratio							3.75	3.75	3.75
Commercial Paper [Member]
Borrowings and Credit Arrangements (Textuals) [Abstract]
Revolving credit facility					$ 1,502,000,000			$ 2,039,000,000
the 2017 Facility [Member]
Borrowings and Credit Arrangements (Textuals) [Abstract]
Line of Credit Facility, Maximum Borrowing Capacity												$ 2,250,000,000
the 2018 facility [Member]
Borrowings and Credit Arrangements (Textuals) [Abstract]
Current interest rate on revolving credit facility				1.02%
Line of Credit Facility, Description				0.40%
Commitment fee percentage				0.11%
Tender Offer [Member]
Schedule of debt maturities
Payments due, Total								(1,000,000,000.000)	€ (900)
February2019AggregateOffering [Member]
Schedule of debt maturities
Payments due, Total										$ (4,300,000,000)
March 2039 Notes [Member]
Schedule of debt maturities
Payments due, Total					$ 0			$ (750,000,000)
Borrowings and Credit Arrangements (Textuals) [Abstract]
Debt Instrument, Interest Rate, Stated Percentage							(4.55%)	(4.55%)	(4.55%)
October 2018 Notes [Member]
Borrowings and Credit Arrangements (Textuals) [Abstract]
Debt Instrument, Interest Rate, Stated Percentage					(2.65%)
Repayments of Debt					$ 600,000,000
January 2020 Notes [Member]
Schedule of debt maturities
Payments due, Total					(850,000,000)			$ 0
Borrowings and Credit Arrangements (Textuals) [Abstract]
Debt Instrument, Interest Rate, Stated Percentage							(6.00%)	(6.00%)	(6.00%)
Repayments of Debt				$ 850,000,000
May 2020 Notes [Member]
Schedule of debt maturities
Payments due, Total					(600,000,000)			$ 0
Borrowings and Credit Arrangements (Textuals) [Abstract]
Debt Instrument, Interest Rate, Stated Percentage							(2.85%)	(2.85%)	(2.85%)
Repayments of Debt				600,000,000
August 2019 Term Loan [Member]
Borrowings and Credit Arrangements (Textuals) [Abstract]
Repayments of Debt				1,000,000,000.000
May 2022 Notes [Member]
Schedule of debt maturities
Payments due, Total					(500,000,000)			$ (500,000,000)
Borrowings and Credit Arrangements (Textuals) [Abstract]
Debt Instrument, Interest Rate, Stated Percentage							(3.375%)	(3.375%)	(3.375%)
August 2022 Term Loan [Member]
Schedule of debt maturities
Payments due, Total					0			$ (1,000,000,000)
October 2023 Notes [Member]
Schedule of debt maturities
Payments due, Total					(450,000,000)			$ (244,000,000)
Borrowings and Credit Arrangements (Textuals) [Abstract]
Debt Instrument, Interest Rate, Stated Percentage							(4.125%)	(4.125%)	(4.125%)
Repayments of Debt				206,000,000
March 2024 Notes [Member]
Schedule of debt maturities
Payments due, Total					0			$ (850,000,000)
Borrowings and Credit Arrangements (Textuals) [Abstract]
Debt Instrument, Interest Rate, Stated Percentage							(3.45%)	(3.45%)	(3.45%)
May 2025 Notes [Member]
Schedule of debt maturities
Payments due, Total					(750,000,000)			$ (523,000,000)
Borrowings and Credit Arrangements (Textuals) [Abstract]
Debt Instrument, Interest Rate, Stated Percentage							(3.85%)	(3.85%)	(3.85%)
Repayments of Debt				227,000,000
March 2026 Notes [Member]
Schedule of debt maturities
Payments due, Total					0			$ (850,000,000)
Borrowings and Credit Arrangements (Textuals) [Abstract]
Debt Instrument, Interest Rate, Stated Percentage							(3.75%)	(3.75%)	(3.75%)
December 2027 Notes [Member]
Schedule of debt maturities
Payments due, Total					0			$ (1,011,000,000)
Borrowings and Credit Arrangements (Textuals) [Abstract]
Debt Instrument, Interest Rate, Stated Percentage							(0.625%)	(0.625%)	(0.625%)
March 2028 Notes [Member]
Schedule of debt maturities
Payments due, Total					$ (1,000,000,000)			$ (434,000,000)
Borrowings and Credit Arrangements (Textuals) [Abstract]
Debt Instrument, Interest Rate, Stated Percentage					(4.00%)		(4.00%)	(4.00%)	(4.00%)
Repayments of Debt				$ 566,000,000
March 2029 Notes [Member]
Schedule of debt maturities
Payments due, Total					$ 0			$ (850,000,000)
Borrowings and Credit Arrangements (Textuals) [Abstract]
Debt Instrument, Interest Rate, Stated Percentage							(4.00%)	(4.00%)	(4.00%)
November 2035 Notes [Member]
Schedule of debt maturities
Payments due, Total					(350,000,000)			$ (350,000,000)
Borrowings and Credit Arrangements (Textuals) [Abstract]
Debt Instrument, Interest Rate, Stated Percentage							(7.00%)	(7.00%)	(7.00%)
January 2040 Notes [Member]
Schedule of debt maturities
Payments due, Total					(300,000,000)			$ (300,000,000)
Borrowings and Credit Arrangements (Textuals) [Abstract]
Debt Instrument, Interest Rate, Stated Percentage							(7.375%)	(7.375%)	(7.375%)
March 2049 Notes [Member]
Schedule of debt maturities
Payments due, Total					0			$ (1,000,000,000.000)
Borrowings and Credit Arrangements (Textuals) [Abstract]
Debt Instrument, Interest Rate, Stated Percentage							(4.70%)	(4.70%)	(4.70%)
Interest Rate Swap [Member]
Schedule of debt maturities
Payments due, Total					(26,000,000)			$ (7,000,000)
Capital Lease Obligations [Member]
Schedule of debt maturities
Payments due, Total					(6,000,000)			(6,000,000)
Senior Notes [Member]
Schedule of debt maturities
Payments due, Total					(4,800,000,000)			(7,661,000,000)
Borrowings and Credit Arrangements (Textuals) [Abstract]
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net					(29,000,000)			(83,000,000)
2020 Term Loan [Member]
Borrowings and Credit Arrangements (Textuals) [Abstract]
Short-term Debt		$ 700,000,000						$ 700,000,000
Debt Instrument, Interest Rate, Stated Percentage							(0.65%)	(0.65%)	(0.65%)
2020 Term Loan [Member] \| Subsequent Event [Member]
Borrowings and Credit Arrangements (Textuals) [Abstract]
Repayments of Debt	$ 300,000,000
Two-Year Delayed Draw Term Loan [Member] \| Aggregate Senior Unsecured Delayed Draw Term Loan [Member]
Schedule of debt maturities
Payments due, Total											(2,000,000,000.000)
Two-Year Delayed Draw Term Loan [Member] \| Debt Instrument, Redemption, Period Two [Member]
Schedule of debt maturities
Payments due, Total											(1,000,000,000.000)
Euro Denominated Factoring Arrangements [Member]
Borrowings and Credit Arrangements (Textuals) [Abstract]
De-recognized receivables					$ 165,000,000			$ 171,000,000
Average interest rate of de-recognized receivables				1.40%	2.70%
Yen Denominated Factoring Arrangements [Member]
Borrowings and Credit Arrangements (Textuals) [Abstract]
De-recognized receivables					$ 195,000,000			$ 226,000,000
Average discounted rates of notes receivables					0.90%		0.60%	0.60%	0.60%
Three-Year Delayed Draw Term Loan [Member]
Borrowings and Credit Arrangements (Textuals) [Abstract]
Debt Instrument, Interest Rate During Period				1.13%
Three-Year Delayed Draw Term Loan [Member] \| Debt Instrument, Redemption, Period Three [Member]
Schedule of debt maturities
Payments due, Total											$ (1,000,000,000.000)
Borrowings and Credit Arrangements (Textuals) [Abstract]
Long-term Line of Credit								$ 1,000,000,000.000
BTG Acquisition [Member]
Debt Instrument [Line Items]
Termination Loans							£ 150	184,000,000
Borrowings and Credit Arrangements (Textuals) [Abstract]
Line of Credit Facility, Maximum Borrowing Capacity								$ 150,000,000