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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

Reference 2: 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

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Fixed interest rate related to the interest rate derivative.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

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Derivative instruments - (Cross-currency Swaps) (Details) € in Millions, £ in Millions, SFr in Millions, $ in Millions	Dec. 31, 2021 EUR (€)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 CHF (SFr)	Dec. 31, 2021 GBP (£)	Dec. 31, 2020	Dec. 31, 2019
2.125% 2019 Euro Notes \| Notes [Member]
Derivative [Line Items]
Interest rate, stated percentage					2.125%	2.125%
1.25% 2022 euro Notes [Member] \| Notes [Member]
Derivative [Line Items]
Interest rate, stated percentage	1.25%	1.25%	1.25%	1.25%	1.25%
0.41% Swiss Franc Bonds Due 2023 (0.41% 2023 Swiss franc Bonds)
Derivative [Line Items]
Interest rate, stated percentage	0.41%	0.41%	0.41%	0.41%
0.41% Swiss Franc Bonds Due 2023 (0.41% 2023 Swiss franc Bonds) \| Notes [Member]
Derivative [Line Items]
Interest rate, stated percentage	0.41%	0.41%	0.41%	0.41%
2.00% €750 million notes due 2026 (2.00% 2026 euro Notes) \| Notes [Member]
Derivative [Line Items]
Interest rate, stated percentage	2.00%	2.00%	2.00%	2.00%
5.50% 2026 pound sterling Notes [Member] \| Notes [Member]
Derivative [Line Items]
Interest rate, stated percentage	5.50%	5.50%	5.50%	5.50%
4.00% 2029 pound sterling Notes [Member] \| Notes [Member]
Derivative [Line Items]
Interest rate, stated percentage	4.00%	4.00%	4.00%	4.00%
Cash flow hedge [Member] \| Cross-currency swap contracts [Member] \| 1.25% 2022 euro Notes [Member]
Derivative [Line Items]
Notional amount	€ 1,250
Interest rate, stated percentage	1.25%	1.25%	1.25%	1.25%
Cash flow hedge [Member] \| Cross-currency swap contracts [Member] \| 0.41% Swiss Franc Bonds Due 2023 (0.41% 2023 Swiss franc Bonds)
Derivative [Line Items]
Notional amount		$ 704	SFr 700
Cash flow hedge [Member] \| Cross-currency swap contracts [Member] \| 2.00% €750 million notes due 2026 (2.00% 2026 euro Notes)
Derivative [Line Items]
Notional amount	€ 750	833
Cash flow hedge [Member] \| Cross-currency swap contracts [Member] \| 5.50% 2026 pound sterling Notes [Member]
Derivative [Line Items]
Notional amount		747		£ 475
Cash flow hedge [Member] \| Cross-currency swap contracts [Member] \| 4.00% 2029 pound sterling Notes [Member]
Derivative [Line Items]
Notional amount		$ 1,111		£ 700
Cash flow hedge [Member] \| Cross-currency swap contracts [Member] \| Euro Member Countries, Euro [Member] \| 2.00% €750 million notes due 2026 (2.00% 2026 euro Notes)
Derivative [Line Items]
Interest rates	2.00%	2.00%	2.00%	2.00%
Cash flow hedge [Member] \| Cross-currency swap contracts [Member] \| Switzerland, Francs [Member] \| 0.41% Swiss Franc Bonds Due 2023 (0.41% 2023 Swiss franc Bonds)
Derivative [Line Items]
Interest rates	0.40%	0.40%	0.40%	0.40%
Cash flow hedge [Member] \| Cross-currency swap contracts [Member] \| United Kingdom, Pounds [Member] \| 5.50% 2026 pound sterling Notes [Member]
Derivative [Line Items]
Interest rates	5.50%	5.50%	5.50%	5.50%
Cash flow hedge [Member] \| Cross-currency swap contracts [Member] \| United Kingdom, Pounds [Member] \| 4.00% 2029 pound sterling Notes [Member]
Derivative [Line Items]
Interest rates	4.00%	4.00%	4.00%	4.00%
Cash flow hedge [Member] \| Cross-currency swap contracts [Member] \| United States of America, Dollars [Member] \| 0.41% Swiss Franc Bonds Due 2023 (0.41% 2023 Swiss franc Bonds)
Derivative [Line Items]
Interest rates	3.40%	3.40%	3.40%	3.40%
Cash flow hedge [Member] \| Cross-currency swap contracts [Member] \| United States of America, Dollars [Member] \| 2.00% €750 million notes due 2026 (2.00% 2026 euro Notes)
Derivative [Line Items]
Interest rates	3.90%	3.90%	3.90%	3.90%
Cash flow hedge [Member] \| Cross-currency swap contracts [Member] \| United States of America, Dollars [Member] \| 5.50% 2026 pound sterling Notes [Member]
Derivative [Line Items]
Interest rates	6.00%	6.00%	6.00%	6.00%
Cash flow hedge [Member] \| Cross-currency swap contracts [Member] \| United States of America, Dollars [Member] \| 4.00% 2029 pound sterling Notes [Member]
Derivative [Line Items]
Interest rates	4.50%	4.50%	4.50%	4.50%