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

No definition available.

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Data Type:	num:percentItemType
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Period Type:	duration

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
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-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

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

+ 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
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

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.

+ 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)(3)
-URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585

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Financing (Long-Term Indebtedness) (Table) (Details) € in Millions, SFr in Millions, $ in Millions, ¥ in Billions															12 Months Ended
	Nov. 07, 2019 USD ($)	Sep. 18, 2019 EUR (€)	Sep. 18, 2019 USD ($)	Jun. 30, 2017 EUR (€)	Jun. 30, 2017 USD ($)	May 11, 2017 USD ($)	May 11, 2017 JPY (¥)	Feb. 28, 2016 USD ($)	Feb. 28, 2016 JPY (¥)	Dec. 08, 2015 USD ($)	Dec. 08, 2015 CHF (SFr)	Sep. 15, 2015 USD ($)	Jul. 08, 2015 EUR (€)	Jul. 08, 2015 USD ($)	Dec. 31, 2020 EUR (€)	Dec. 31, 2020 USD ($)	Dec. 31, 2020 JPY (¥)	Dec. 31, 2020 CHF (SFr)	Oct. 06, 2020 USD ($)	Dec. 31, 2019 EUR (€)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 JPY (¥)	Dec. 31, 2019 CHF (SFr)	Dec. 31, 2001 USD ($)
Debt Instrument [Line Items]
Long-term debt																$ 21,204					$ 21,729
Other
Debt Instrument [Line Items]
Long-term debt																31					75
Euronotes
Debt Instrument [Line Items]
Debt instrument, face amount															€ 2,500	2,700
Convertible debt \| Zero-coupon LYONS due 2021
Debt Instrument [Line Items]
Long-term debt																$ 24					34
Interest rate of debt instrument															0.00%	0.00%	0.00%	0.00%						2.375%
Debt instrument, face amount																								$ 830
Senior notes
Debt Instrument [Line Items]
Debt instrument, face amount																$ 1,000
Senior notes \| 0.352% senior unsecured notes due 2021
Debt Instrument [Line Items]
Long-term debt																$ 290					$ 276
Interest rate of debt instrument															0.352%	0.352%	0.352%	0.352%		0.352%	0.352%	0.352%	0.352%
Debt instrument, redemption price, percentage															100.00%
Debt instrument, face amount \| ¥																	¥ 30.0					¥ 30.0
Net proceeds from debt								$ 262	¥ 29.9
Senior notes \| Floating rate senior unsecured notes due 2022
Debt Instrument [Line Items]
Long-term debt																$ 305					$ 280
Debt instrument, redemption price, percentage															100.147%
Basis spread percentage to determine floating interest rate															0.30%
Debt instrument, face amount \| €															€ 250					€ 250
Senior notes \| 2.05% senior unsecured notes due 2022
Debt Instrument [Line Items]
Long-term debt																$ 698					$ 697
Interest rate of debt instrument															2.05%	2.05%	2.05%	2.05%		2.05%	2.05%	2.05%	2.05%
Debt instrument, redemption price, percentage															99.994%
Senior notes \| 1.7% senior notes issued in March 2020, due 2024
Debt Instrument [Line Items]
Long-term debt																$ 913
Interest rate of debt instrument															1.70%	1.70%	1.70%	1.70%
Debt instrument, redemption price, percentage															99.931%
Senior notes \| 1.7% senior notes issued in April 2020, due 2024
Debt Instrument [Line Items]
Long-term debt																$ 183
Interest rate of debt instrument															1.70%	1.70%	1.70%	1.70%
Debt instrument, redemption price, percentage															100.298%
Senior notes \| 2.2% senior unsecured notes due 2024
Debt Instrument [Line Items]
Long-term debt																$ 697					$ 696
Interest rate of debt instrument															2.20%	2.20%	2.20%	2.20%		2.20%	2.20%	2.20%	2.20%
Debt instrument, redemption price, percentage															99.952%
Senior notes \| 2.5% senior unsecured notes due 2025
Debt Instrument [Line Items]
Long-term debt																$ 975					$ 894
Interest rate of debt instrument															2.50%	2.50%	2.50%	2.50%		2.50%	2.50%	2.50%	2.50%
Debt instrument, redemption price, percentage															99.878%
Debt instrument, face amount \| €															€ 800					€ 800
Senior notes \| 3.35% senior unsecured notes due 2025
Debt Instrument [Line Items]
Long-term debt																$ 498					$ 497
Interest rate of debt instrument															3.35%	3.35%	3.35%	3.35%		3.35%	3.35%	3.35%	3.35%
Debt instrument, redemption price, percentage															99.857%
Senior notes \| 0.2% senior unsecured notes due 2026
Debt Instrument [Line Items]
Long-term debt																$ 1,520					$ 1,392
Interest rate of debt instrument															0.20%	0.20%	0.20%	0.20%		0.20%	0.20%	0.20%	0.20%
Debt instrument, redemption price, percentage															99.833%
Debt instrument, face amount \| €															€ 1,300					€ 1,300
Senior notes \| 2.1% senior notes issued in March 2020 due 2026
Debt Instrument [Line Items]
Long-term debt																$ 607
Interest rate of debt instrument															2.10%	2.10%	2.10%	2.10%
Debt instrument, redemption price, percentage															99.717%
Senior notes \| 2.1% senior notes issued in April 2020 due 2026
Debt Instrument [Line Items]
Long-term debt																$ 368
Interest rate of debt instrument															2.10%	2.10%	2.10%	2.10%
Debt instrument, redemption price, percentage															100.842%
Senior notes \| 0.3% senior unsecured notes due 2027
Debt Instrument [Line Items]
Long-term debt																$ 297					$ 283
Interest rate of debt instrument															0.30%	0.30%	0.30%	0.30%		0.30%	0.30%	0.30%	0.30%
Debt instrument, redemption price, percentage															100.00%
Debt instrument, face amount \| ¥																	¥ 30.8					¥ 30.8
Senior notes \| 1.2% senior unsecured notes due 2027
Debt Instrument [Line Items]
Long-term debt																$ 729					$ 668
Interest rate of debt instrument															1.20%	1.20%	1.20%	1.20%		1.20%	1.20%	1.20%	1.20%
Debt instrument, redemption price, percentage															99.682%
Debt instrument, face amount \| €															€ 600					€ 600
Senior notes \| 0.45% senior unsecured notes due 2028
Debt Instrument [Line Items]
Long-term debt																$ 1,518					$ 1,390
Interest rate of debt instrument															0.45%	0.45%	0.45%	0.45%		0.45%	0.45%	0.45%	0.45%
Debt instrument, redemption price, percentage															99.751%
Debt instrument, face amount \| €															€ 1,300					€ 1,300
Senior notes \| 2.6% senior unsecured notes due 2029
Debt Instrument [Line Items]
Long-term debt																$ 795					$ 795
Interest rate of debt instrument															2.60%	2.60%	2.60%	2.60%		2.60%	2.60%	2.60%	2.60%
Debt instrument, redemption price, percentage															99.903%
Senior notes \| 2.5% senior notes issued in March 2020 due 2030
Debt Instrument [Line Items]
Long-term debt																$ 606
Interest rate of debt instrument															2.50%	2.50%	2.50%	2.50%
Debt instrument, redemption price, percentage															99.642%
Senior notes \| 2.5% senior notes issued in April 2020 due 2030
Debt Instrument [Line Items]
Long-term debt																$ 372
Interest rate of debt instrument															2.50%	2.50%	2.50%	2.50%
Debt instrument, redemption price, percentage															102.166%
Senior notes \| 0.75% senior unsecured notes due 2031
Debt Instrument [Line Items]
Long-term debt																$ 2,127					$ 1,949
Interest rate of debt instrument															0.75%	0.75%	0.75%	0.75%		0.75%	0.75%	0.75%	0.75%
Debt instrument, redemption price, percentage															99.92%
Debt instrument, face amount \| €															€ 1,800					€ 1,800
Senior notes \| 0.65% senior unsecured notes due 2032
Debt Instrument [Line Items]
Long-term debt																$ 514					$ 488
Interest rate of debt instrument															0.65%	0.65%	0.65%	0.65%		0.65%	0.65%	0.65%	0.65%
Debt instrument, redemption price, percentage															100.00%
Debt instrument, face amount \| ¥																	¥ 53.2					¥ 53.2
Senior notes \| 1.35% senior unsecured notes due 2039
Debt Instrument [Line Items]
Long-term debt																$ 1,511					$ 1,384
Interest rate of debt instrument															1.35%	1.35%	1.35%	1.35%		1.35%	1.35%	1.35%	1.35%
Debt instrument, redemption price, percentage															99.461%
Debt instrument, face amount \| €															€ 1,300					€ 1,300
Senior notes \| 3.25% senior unsecured notes due 2039
Debt Instrument [Line Items]
Long-term debt																$ 889					$ 890
Interest rate of debt instrument															3.25%	3.25%	3.25%	3.25%		3.25%	3.25%	3.25%	3.25%
Debt instrument, redemption price, percentage															99.809%
Senior notes \| 4.375% senior unsecured notes due 2045
Debt Instrument [Line Items]
Long-term debt																$ 499					$ 499
Interest rate of debt instrument															4.375%	4.375%	4.375%	4.375%		4.375%	4.375%	4.375%	4.375%
Debt instrument, redemption price, percentage															99.784%
Senior notes \| 1.8% senior unsecured notes due 2049
Debt Instrument [Line Items]
Long-term debt																$ 907					$ 831
Interest rate of debt instrument															1.80%	1.80%	1.80%	1.80%		1.80%	1.80%	1.80%	1.80%
Debt instrument, redemption price, percentage															99.564%
Debt instrument, face amount \| €															€ 750					€ 750
Senior notes \| 3.4% senior unsecured notes due 2049
Debt Instrument [Line Items]
Long-term debt																$ 889					$ 890
Interest rate of debt instrument															3.40%	3.40%	3.40%	3.40%		3.40%	3.40%	3.40%	3.40%
Debt instrument, redemption price, percentage															99.756%
Senior notes \| 2.6% senior unsecured notes due 2050
Debt Instrument [Line Items]
Long-term debt																$ 979					$ 0
Interest rate of debt instrument															2.60%	2.60%	2.60%	2.60%	2.60%
Debt instrument, redemption price, percentage															98.97%
Debt instrument, face amount																			$ 1,000
Senior notes \| Euro-denominated senior unsecured notes, tranches
Debt Instrument [Line Items]
Net proceeds from debt													€ 2,200	$ 2,400
Senior notes \| U.S. dollar-denominated senior unsecured notes
Debt Instrument [Line Items]
Net proceeds from debt												$ 2,000
Senior notes \| Euronotes
Debt Instrument [Line Items]
Net proceeds from debt				€ 843	$ 940
Senior notes \| 2027 and 2032 Yen notes
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage															100.00%
Net proceeds from debt						$ 744	¥ 83.6
Senior notes \| Biopharma euronotes
Debt Instrument [Line Items]
Net proceeds from debt		€ 6,200	$ 6,800
Senior notes \| Biopharma notes
Debt Instrument [Line Items]
Net proceeds from debt	$ 4,000
Bonds \| 0.5% senior unsecured bonds due 2023
Debt Instrument [Line Items]
Long-term debt																$ 611					$ 559
Interest rate of debt instrument															0.50%	0.50%	0.50%	0.50%		0.50%	0.50%	0.50%	0.50%
Debt instrument, redemption price, percentage															100.924%
Debt instrument, face amount \| SFr																		SFr 540					SFr 540
Bonds \| 1.125% senior unsecured bonds due 2028
Debt Instrument [Line Items]
Long-term debt																$ 241					$ 221
Interest rate of debt instrument															1.125%	1.125%	1.125%	1.125%		1.125%	1.125%	1.125%	1.125%
Debt instrument, redemption price, percentage															102.87%
Debt instrument, face amount \| SFr																		SFr 210					SFr 210
Bonds \| Swiss franc-denominated senior unsecured bonds
Debt Instrument [Line Items]
Net proceeds from debt										$ 739	SFr 758
Bonds \| 0.0% senior unsecured bonds due 2017
Debt Instrument [Line Items]
Interest rate of debt instrument											0.00%
Debt instrument, face amount \| SFr											SFr 100
Commercial paper \| Euro-denominated commercial paper
Debt Instrument [Line Items]
Long-term debt															€ 500	$ 611				€ 4,600	$ 5,146