Debt And Financing Arrangements [Line Items]

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Debt instrument, maturity year

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The amount by which the fair value of the entity's long-term debt exceeds the carrying value.

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Amount of standby letters of credit and surety bonds outstanding.

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Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Face (par) amount of debt instrument at time of issuance.

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

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Date the debt instrument was issued, in CCYY-MM-DD format.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Fair value of the amount outstanding under the credit facility.

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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 of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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The cash inflow from a debt initially having maturity due after one year or beyond the 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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Debt Financing Arrangements (Narrative) (Details) € in Millions, $ in Millions				12 Months Ended
	Jun. 24, 2019 EUR (€)	Dec. 03, 2018 USD ($)	Sep. 12, 2018 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2019 EUR (€)	Dec. 03, 2018 EUR (€)	Sep. 12, 2018 EUR (€)
Debt And Financing Arrangements [Line Items]
Debt Instrument, Issuance Date		Dec. 03, 2018
Discount amortization expense included in interest expense related to the notes				$ 12	$ 10	$ 11
Excess of fair value over carrying value of long-term debt				1,500
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months				7
Long-term Debt, Maturities, Repayments of Principal in Year Two				672
Long-term Debt, Maturities, Repayments of Principal in Year Three				409
Long-term Debt, Maturities, Repayments of Principal in Year Four				678
Long-term Debt, Maturities, Repayments of Principal in Year Five				48
Lines of credit				9,000
Unused lines of credit				$ 6,400
Weighted average interest rate on short term borrowings (as a percent)				1.23%	7.95%		1.23%
Outstanding standby letters of credit and surety bonds				$ 1,400	$ 1,700
Notes Four Point Five Percent due Two Thousand Forty-Nine [Member]
Debt And Financing Arrangements [Line Items]
Debt Instrument, Interest Rate, Stated Percentage				4.50%			4.50%	4.50%
Debt instrument, maturity year		2049		2049
Proceeds from notes recorded as long-term debt		$ 588
Debt Instrument, Face Amount \| €							€ 600	€ 600
Notes Three Point Three Hundred Seventy-Five Percent due in Two Thousand Twenty-Two [Member]
Debt And Financing Arrangements [Line Items]
Debt Instrument, Interest Rate, Stated Percentage				3.375%			3.375%	3.375%
Debt instrument, maturity year		2022		2022
Proceeds from notes recorded as long-term debt		$ 399
Debt Instrument, Face Amount \| €							€ 400	€ 400
Notes One Percent Due in Two Thousand Twenty-Five [Member]
Debt And Financing Arrangements [Line Items]
Debt Instrument, Issuance Date			Sep. 12, 2018
Debt Instrument, Interest Rate, Stated Percentage				1.00%			1.00%		1.00%
Debt instrument, maturity year			2025	2025
Proceeds from notes recorded as long-term debt			$ 747
Debt Instrument, Face Amount				$ 744			€ 650		€ 650
Floating Rate Notes Due In Two Thousand Nineteen [Member]
Debt And Financing Arrangements [Line Items]
Debt instrument, maturity year	2019
Debt Instrument, Face Amount \| €	€ 500						€ 500
Debt Instrument, Maturity Date	Jun. 24, 2019
Commercial Paper [Member]
Debt And Financing Arrangements [Line Items]
Lines of credit				5,000
Amount utilized from lines of credit facility				1,000
Accounts Receivable Securitization Facility [Member]
Debt And Financing Arrangements [Line Items]
Lines of credit				1,900
Amount utilized from lines of credit facility				$ 1,400