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Debt Conversion, Converted Instrument, Tax Benefit (Expense)

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Debt Instrument, Covenants, Leverage Ratio

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Long-term Debt, Weighted Average Maturity, at Point in Time

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Face amount or stated value per share of common stock.

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The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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

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

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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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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Financing (Narrative) (Details) $ / shares in Units, shares in Thousands, € in Millions, $ in Millions													3 Months Ended		6 Months Ended	9 Months Ended
	Oct. 06, 2020 USD ($)	Oct. 02, 2020 USD ($) $ / shares	Sep. 24, 2020 USD ($)	Jun. 05, 2020 USD ($)	May 15, 2020 USD ($)	Apr. 08, 2020 USD ($)	Apr. 08, 2020 EUR (€)	Apr. 07, 2020 USD ($)	Mar. 31, 2020	Mar. 30, 2020 USD ($)	Mar. 30, 2020 EUR (€)	Mar. 24, 2020 USD ($)	Oct. 02, 2020 USD ($) $ / shares	Sep. 27, 2019 USD ($)	Oct. 02, 2020 USD ($) $ / shares	Oct. 02, 2020 USD ($) $ / shares shares	Sep. 27, 2019 USD ($)	Oct. 06, 2020 EUR (€)	Oct. 02, 2020 EUR (€)	Dec. 31, 2019 USD ($) $ / shares	Dec. 31, 2019 EUR (€)
Debt Instrument [Line Items]
Debt discounts, premiums and debt issuance costs		$ 116.0											$ 116.0		$ 116.0	$ 116.0				$ 112.0
Common stock, par value \| $ / shares		$ 0.01											$ 0.01		$ 0.01	$ 0.01				$ 0.01
Debt conversion, converted instrument, tax benefit													$ 39.2	$ 0.4		$ 42.2	$ 8.5
Commercial paper
Debt Instrument [Line Items]
Long-term debt		$ 1,900.0											$ 1,900.0		$ 1,900.0	$ 1,900.0
Weighted average interest rate of long-term debt, interest rate		(0.08%)											(0.08%)		(0.08%)	(0.08%)			(0.08%)
Weighted average maturity of long-term debt, at point in time		60 days
Senior notes
Debt Instrument [Line Items]
Proceeds from issuance of debt						$ 816.0	€ 754.0			$ 1,900.0	€ 1,700.0
2.6% senior notes due 2050 \| Senior notes \| Subsequent event
Debt Instrument [Line Items]
Aggregate principal amount	$ 1,000.0
Proceeds from issuance of debt	$ 980.0
1.7% senior notes due 2022 \| Senior notes
Debt Instrument [Line Items]
Aggregate principal amount \| €																			€ 800.0		€ 800.0
1.7% senior notes due 2022 \| Senior notes \| Subsequent event
Debt Instrument [Line Items]
Aggregate principal amount \| €																		€ 800.0
Zero-coupon LYONs due 2021 \| Convertible debt
Debt Instrument [Line Items]
Shares issued under debt conversion, shares \| shares																294
Debt conversion, converted instrument, tax benefit																$ 42.0
Long-term debt \| Revolving credit facility \| Five-Year Facility
Debt Instrument [Line Items]
Line of credit				$ 5,000.0
Proceeds from line of credit												$ 2,500.0
Line of credit facility, interest rate									1.70%						1.90%
Repayments of debt			$ 1,250.0		$ 1,250.0
Short-term debt \| Revolving credit facility \| 364-Day Facility
Debt Instrument [Line Items]
Line of credit				$ 2,500.0
Debt instrument, covenants, conversion fee, percent				0.75%
Short-term debt \| Revolving credit facility \| 364-Day Facility \| Minimum
Debt Instrument [Line Items]
Line of credit facility, commitment fee percentage				0.10%
Debt instrument, covenants, leverage ratio				0.65%
Short-term debt \| Revolving credit facility \| 364-Day Facility \| Maximum
Debt Instrument [Line Items]
Line of credit facility, commitment fee percentage				0.225%
Debt instrument, covenants, leverage ratio				1.00%
Short-term debt \| Revolving credit facility \| 364-Day Facility \| LIBOR \| Minimum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate				0.90%
Short-term debt \| Revolving credit facility \| 364-Day Facility \| LIBOR \| Maximum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate				1.275%
Short-term debt \| Revolving credit facility \| 364-Day Facility \| Fed funds rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate				0.50%
Short-term debt \| Revolving credit facility \| 364-Day Facility \| Eurodollar
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate				1.00%
Short-term debt \| Revolving credit facility \| 364-Day Facility \| Eurodollar \| Minimum
Debt Instrument [Line Items]
Line of credit facility, commitment fee percentage				0.00%
Short-term debt \| Revolving credit facility \| 364-Day Facility \| Eurodollar \| Maximum
Debt Instrument [Line Items]
Line of credit facility, commitment fee percentage				0.275%
Short-term debt \| Revolving credit facility \| Superseded 364-Day Facility
Debt Instrument [Line Items]
Line of credit				$ 5,000.0
Proceeds from line of credit								$ 2,500.0
Line of credit facility, interest rate								2.30%
Repayments of debt					$ 2,500.0