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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

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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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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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Amount of short-term and long-term debt and lease obligation.

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

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

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Gross amount of debt extinguished.

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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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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, 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 lease obligation, classified as noncurrent.

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The percentage rate used to calculate dividend payments on preferred stock.

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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 due to repaying amounts borrowed by issuing commercial paper.

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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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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Weighted average interest rate of short-term debt outstanding calculated at point in time.

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Amount of derecognized financial assets from transactions which comprise an initial transfer and an agreement entered into in contemplation of the initial transfer resulting in retention of substantially all of the exposure to the economic return throughout the term of the transaction, at the date of derecognition.

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Contractual Obligations and Commitments (Details) € in Millions, $ in Millions			3 Months Ended				9 Months Ended		12 Months Ended
	May 27, 2020 USD ($)	May 18, 2020 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019	Dec. 31, 2019 USD ($)	Apr. 21, 2020 USD ($)	Feb. 27, 2020 USD ($)	Dec. 31, 2019 EUR (€)	Dec. 05, 2019 USD ($)	Aug. 19, 2019 USD ($)	Feb. 25, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 19, 2018 USD ($)
Debt Instrument [Line Items]
Total debt			$ 9,336			$ 10,008	$ 9,336		$ 10,008
Long-term Debt and Capital Lease Obligations			9,325			8,592	9,325		8,592
Deemed Consolidated EBITDA							671
Exclusion from EBITDA for Restructuring Charges			500				500
Restructuring charges remaining to be excluded from calculation of consolidated EBITDA			194				194
Litigation and Debt Exclusion from EBITDA			2,624				2,624
Legal payments remaining to be excluded from calculation of consolidated EBITDA			946				946
Letters of Credit Outstanding, Amount			125			105	125		105
Commercial Paper [Member]
Debt Instrument [Line Items]
Commercial Paper			0			711	0		711
Maximum Commercial Paper Outstanding			2,750			2,750	2,750		2,750
Line of Credit Facility, Remaining Borrowing Capacity			$ 2,750			$ 2,039	$ 2,750		$ 2,039
Weighted Average Maturity, Days							0 days	55 days
Short-term Debt, Weighted Average Interest Rate, at Point in Time			0.00%			2.21%	0.00%		2.21%			2.21%
August 2019 Term Loan [Member]
Debt Instrument [Line Items]
Extinguishment of Debt, Amount							$ 1,000
Current Requirement [Member]
Debt Instrument [Line Items]
Maximum Leverage Ratio			4.75				4.75
Actual, Covenant [Member]
Debt Instrument [Line Items]
Maximum Leverage Ratio			3.40				3.40
Requirement, third quarter following qualified acquisition [Member]
Debt Instrument [Line Items]
Maximum Leverage Ratio			4.50				4.50
Requirement, fourth quarter following qualified acquisition [Member]
Debt Instrument [Line Items]
Maximum Leverage Ratio			4.25				4.25
Requirement, fifth quarter following qualified acquisition [Member]
Debt Instrument [Line Items]
Maximum Leverage Ratio			4.00				4.00
Requirement, sixth quarter and thereafter following qualified acquisition [Member]
Debt Instrument [Line Items]
Maximum Leverage Ratio			3.75				3.75
Requirement, extension through the remainder of 2020 [Member]
Debt Instrument [Line Items]
Maximum Leverage Ratio			4.75				4.75
the 2018 Facility [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity			$ 2,750				$ 2,750
Repayments of Commercial Paper					$ 1,360
Repayments of Lines of Credit				$ 450
February2019AggregateOffering [Member]
Debt Instrument [Line Items]
Long-term Debt															$ 4,300
January 2020 Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			6.00%				6.00%
Extinguishment of Debt, Amount							$ 850
May 2020 Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			2.85%				2.85%
Extinguishment of Debt, Amount							$ 600
November 2019 Aggregate Offering [Member]
Debt Instrument [Line Items]
Long-term Debt						$ 1,000			$ 1,000			€ 900
May 2022 Notes [Member]
Debt Instrument [Line Items]
Long-term Debt			$ 500			500	$ 500		500
Debt Instrument, Interest Rate, Stated Percentage			3.375%				3.375%
October 2023 Notes [Member]
Debt Instrument [Line Items]
Long-term Debt			$ 244			244	$ 244		244							$ 450
Debt Instrument, Interest Rate, Stated Percentage			4.125%				4.125%
Repayments of Debt						206
March 2024 Notes [Member]
Debt Instrument [Line Items]
Long-term Debt			$ 850			850	$ 850		850
Debt Instrument, Interest Rate, Stated Percentage			3.45%				3.45%
May 2025 Notes [Member]
Debt Instrument [Line Items]
Long-term Debt			$ 523			523	$ 523		523							750
Debt Instrument, Interest Rate, Stated Percentage			3.85%				3.85%
Repayments of Debt						227
March 2026 Notes [Member]
Debt Instrument [Line Items]
Long-term Debt			$ 850			850	$ 850		850
Debt Instrument, Interest Rate, Stated Percentage			3.75%				3.75%
December 2027 Notes [Member]
Debt Instrument [Line Items]
Long-term Debt			$ 1,054			1,011	$ 1,054		1,011
Debt Instrument, Interest Rate, Stated Percentage			0.625%				0.625%
March 2028 Notes [Member]
Debt Instrument [Line Items]
Long-term Debt			$ 434			434	$ 434		434							$ 1,000
Debt Instrument, Interest Rate, Stated Percentage			4.00%				4.00%
Repayments of Debt						566
March 2029 Notes [Member]
Debt Instrument [Line Items]
Long-term Debt			$ 850			850	$ 850		850
Debt Instrument, Interest Rate, Stated Percentage			4.00%				4.00%
November 2035 Notes [Member]
Debt Instrument [Line Items]
Long-term Debt			$ 350			350	$ 350		350
Debt Instrument, Interest Rate, Stated Percentage			7.00%				7.00%
March 2039 Notes [Member]
Debt Instrument [Line Items]
Long-term Debt			$ 750			750	$ 750		750
Debt Instrument, Interest Rate, Stated Percentage			4.55%				4.55%
January 2040 Notes [Member]
Debt Instrument [Line Items]
Long-term Debt			$ 300			300	$ 300		300
Debt Instrument, Interest Rate, Stated Percentage			7.375%				7.375%
March 2049 Notes [Member]
Debt Instrument [Line Items]
Long-term Debt			$ 1,000			1,000	$ 1,000		1,000
Debt Instrument, Interest Rate, Stated Percentage			4.70%				4.70%
Unamortized Gain on Fair Value Hedges
Debt Instrument [Line Items]
Long-term Debt			$ 6			7	$ 6		7
Finance Lease Obligation
Debt Instrument [Line Items]
Long-term Debt			6			6	6		6
Senior Notes [Member]
Debt Instrument [Line Items]
Long-term Debt			9,404			7,661	9,404		7,661
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net			(91)			(83)	(91)		(83)
August 2022 Term Loan [Member]
Debt Instrument [Line Items]
Long-term Debt			0			1,000	0		1,000
May 2020 SN Aggregate Offering [Member]
Debt Instrument [Line Items]
Long-term Debt		$ 1,700
June 2025 Notes [Member]
Debt Instrument [Line Items]
Long-term Debt			$ 500			0	$ 500		0
Debt Instrument, Interest Rate, Stated Percentage			1.90%				1.90%
June 2030 Notes [Member]
Debt Instrument [Line Items]
Long-term Debt			$ 1,200			0	$ 1,200		0
Debt Instrument, Interest Rate, Stated Percentage			2.65%				2.65%
April 2021 Term Loan [Member]
Debt Instrument [Line Items]
Short-term Debt										$ 1,250
Repayments of Debt	$ 750	500
2020 Term Loan [Member]
Debt Instrument [Line Items]
Short-term Debt						700			700				$ 700
Repayments of Debt					$ 300
February 2021 Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			0.85%				0.85%
Short-term Debt											$ 1,000
Repayments of Debt		$ 750	$ 250	$ 750
Three-Year Delayed Draw Term Loan [Member] \| Debt Instrument, Redemption, Period Three [Member]
Debt Instrument [Line Items]
Long-term Line of Credit						1,000			1,000					$ 1,000			$ 1,000
Two-Year Delayed Draw Term Loan [Member] \| Debt Instrument, Redemption, Period Two [Member]
Debt Instrument [Line Items]
Long-term Line of Credit														$ 1,000			1,000
Aggregate Senior Unsecured Delayed Draw Term Loan [Member] \| Unsecured Debt [Member]
Debt Instrument [Line Items]
Long-term Line of Credit																	$ 2,000
Euro Denominated Factoring Arrangements [Member]
Debt Instrument [Line Items]
Transfer of Financial Assets Accounted for as Sales, Amount Derecognized			150			171	$ 150		$ 171
Average interest rate of de-recognized receivables							1.80%		1.40%
Yen Denominated Factoring Arrangements [Member]
Debt Instrument [Line Items]
Transfer of Financial Assets Accounted for as Sales, Amount Derecognized			191			$ 226	$ 191		$ 226
Average interest rate of de-recognized receivables							0.60%		0.60%
Renminbi Denominated Factoring Arrangements [Member]
Debt Instrument [Line Items]
Transfer of Financial Assets Accounted for as Sales, Amount Derecognized			$ 1				$ 1
Average interest rate of de-recognized receivables							3.50%
5.50% MCPS, Series A [Member]
Debt Instrument [Line Items]
Preferred Stock, Dividend Rate, Percentage				5.50%