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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
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Period Type:	instant

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(2)
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-Topic 835
-SubTopic 30
-Section 45
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- References

No definition available.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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- Definition

Carrying value as of the balance sheet date of uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Period Type:	instant

- Definition

Change in fair value of debt hedged by interest rate swaps.

+ References

No definition available.

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Debt - Summary of Debt Instruments (Detail) $ in Millions, ¥ in Billions	Mar. 31, 2020 USD ($)	Mar. 31, 2020 JPY (¥)	Mar. 20, 2020 USD ($)	Dec. 31, 2019 USD ($)
Current portion of long-term debt
Total current portion of long-term debt	$ 1,950.0			$ 1,500.0
Long-term debt
Senior Notes due	9,400.0
Debt discount and issuance costs	(49.8)			(37.1)
Adjustment related to interest rate swaps	5.5			6.4
Total long-term debt	7,724.2			6,721.4
Senior Notes [Member] \| 2.700% [Member] \| Due in 2020 [Member]
Current portion of long-term debt
Total current portion of long-term debt	1,500.0			1,500.0
Senior Notes [Member] \| 3.375% [Member] \| Due in 2021 [Member]
Long-term debt
Senior Notes due	300.0			300.0
Senior Notes [Member] \| 3.150% [Member] \| Due in 2022 [Member]
Long-term debt
Senior Notes due	750.0			750.0
Senior Notes [Member] \| 3.700% [Member] \| Due in 2023 [Member]
Long-term debt
Senior Notes due	300.0			300.0
Senior Notes [Member] \| 3.550% [Member] \| Due in 2025 [Member]
Long-term debt
Senior Notes due	2,000.0			2,000.0
Senior Notes [Member] \| 3.550% [Member] \| Due in 2030 [Member]
Long-term debt
Senior Notes due	900.0		$ 900.0
Senior Notes [Member] \| 3.050% [Member] \| Due in 2026 [Member]
Long-term debt
Senior Notes due	600.0		$ 600.0
Senior Notes [Member] \| 4.250% [Member] \| Due in 2035 [Member]
Long-term debt
Senior Notes due	253.4			253.4
Senior Notes [Member] \| 5.750% [Member] \| Due in 2039 [Member]
Long-term debt
Senior Notes due	317.8			317.8
Senior Notes [Member] \| 4.450% [Member] \| Due in 2045 [Member]
Long-term debt
Senior Notes due	395.4			395.4
Floating Rate Notes [Member] \| Due in 2021 [Member]
Current portion of long-term debt
Total current portion of long-term debt	450.0
Long-term debt
Senior Notes due				450.0
Euro Notes [Member]
Long-term debt
Term loan	1,600.0
Euro Notes [Member] \| 1.414% [Member] \| Due in 2022 [Member]
Long-term debt
Term loan	548.6			561.3
Euro Notes [Member] \| 1.164% [Member] \| Due in 2027 [Member]
Long-term debt
Term loan	548.6			561.3
Euro Notes [Member] \| 2.425% [Member] \| Due in 2026 [Member]
Long-term debt
Term loan	548.6			561.3
Japan Term Loan A [Member]
Long-term debt
Term loan	108.5	¥ 11.7		106.9
Japan Term Loan B [Member]
Long-term debt
Term loan	$ 197.6	¥ 21.3		$ 194.7