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Gross amount of debt extinguished.

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Long-Term Debt and Short-Term Borrowings - Long-Term Debt Maturities and Extinguishments (Details) € in Millions, $ in Millions	1 Months Ended							3 Months Ended	12 Months Ended
	Dec. 31, 2020 USD ($)	Aug. 31, 2020 USD ($)	May 31, 2020 USD ($)	May 31, 2020 EUR (€)	Jun. 30, 2019 USD ($)	Nov. 30, 2018 EUR (€)	Aug. 31, 2018 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Oct. 31, 2019 USD ($)
Debt instrument
Debt repurchases	$ 1,000							$ 1,000
Loss on early debt extinguishment	10							10
Repayment of debt						€ 500	$ 450		$ 2,100
Debt assumed									2,573
Acelity Inc. and its KCI subsidiaries
Debt instrument
Debt assumed									$ 2,322
Third lien senior secured notes (Third Lien Notes) maturing 2021 \| Acelity Inc. and its KCI subsidiaries
Debt instrument
Principal amount										$ 445
Repayment of debt			$ 445
Floating rate Euro medium term note (repaid in 2020)
Debt instrument
Repayment of debt \| €				€ 650
Floating rate medium term note (repaid in 2020)
Debt instrument
Repayment of debt		$ 500
Fixed rate medium term note (repaid in 2020)
Debt instrument
Principal amount	$ 400							$ 400
Interest rate, stated percentage (as a percent)	3.00%							3.00%
Fixed rate medium term note (repaid in 2020)
Debt instrument
Principal amount	$ 600							$ 600
Interest rate, stated percentage (as a percent)	1.625%							1.625%
Fixed rate medium term notes repaid June 2019
Debt instrument
Repayment of debt					$ 625