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Maximum leverage ratio related to material acquisition.

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Notes maximum maturity.

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Revolving credit agreement borrowings short term.

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Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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

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

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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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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Weighted average interest rate of debt outstanding.

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The percentage points added to the reference rate to compute the variable rate on the interest rate derivative.

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Fixed interest rate that will be received or paid upon exercise of the interest rate swaption contract.

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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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The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

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Short-Term Borrowings and Long-Term Debt - Additional Information (Details) - USD ($)					1 Months Ended	3 Months Ended	12 Months Ended
	May 01, 2019	Jan. 25, 2019	Jul. 25, 2017	Sep. 26, 2012	May 31, 2020	Sep. 30, 2011	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Mar. 31, 2020	Dec. 09, 2014
Debt Instrument [Line Items]
Maximum leverage ratio related to material acquisition								4.25
Maximum leverage ratio related to additional material acquisition								4.25
Repayments of long-term debt							$ 0.0	$ 600,000,000.0	$ 0.0
Commercial paper issuances							$ 349,000,000.0	$ 248,600,000
Interest Rate Swaps
Debt Instrument [Line Items]
Interest rate, swap								2.45%
2.45% Senior notes due August 1, 2022
Debt Instrument [Line Items]
Maturity date of debt							Aug. 01, 2022	Aug. 01, 2022
Interest rate of debt							2.45%	2.45%
3.15% Senior notes due August 1, 2027
Debt Instrument [Line Items]
Maturity date of debt							Aug. 01, 2027	Aug. 01, 2027
Interest rate of debt							3.15%	3.15%
3.95% Senior notes due August 1, 2047
Debt Instrument [Line Items]
Maturity date of debt							Aug. 01, 2047	Aug. 01, 2047
Interest rate of debt							3.95%	3.95%
$1.425 M Senior Notes \| Water Pik Inc
Debt Instrument [Line Items]
Proceeds from long term borrowing			$ 1,425,000,000.0
Repayments of long-term debt		$ 300,000,000.0
Floating rate senior notes, description							three-month U.S. Dollar LIBOR plus 0.15%
Repayments of debt			200,000,000.0
$1.425 M Senior Notes \| Floating Rate Senior notes due January 25, 2019 \| Water Pik Inc
Debt Instrument [Line Items]
Aggregate principal amount			300,000,000.0
$1.425 M Senior Notes \| 2.45% Senior notes due August 1, 2022 \| Water Pik Inc
Debt Instrument [Line Items]
Aggregate principal amount			$ 300,000,000.0
Interest rate of debt			2.45%
$1.425 M Senior Notes \| 3.15% Senior notes due August 1, 2027 \| Water Pik Inc
Debt Instrument [Line Items]
Aggregate principal amount			$ 425,000,000.0
Interest rate of debt			3.15%
$1.425 M Senior Notes \| 3.95% Senior notes due August 1, 2047 \| Water Pik Inc
Debt Instrument [Line Items]
Aggregate principal amount			$ 400,000,000.0
Interest rate of debt			3.95%
2.45% Senior notes due December 15, 2019
Debt Instrument [Line Items]
Aggregate principal amount											$ 300,000,000.0
Interest rate of debt											2.45%
Debt instruments maturity date description							These Notes were repaid in full in the fourth quarter of 2019 with cash on hand and proceeds from the issuance of commercial paper borrowings
2.875% Senior notes due October 1, 2022
Debt Instrument [Line Items]
Maturity date of debt				Oct. 01, 2022
Aggregate principal amount				$ 400,000,000.0
Interest rate of debt				2.875%
Interest payment frequency							payable semi-annually, on each April 1 and October 1
Federal Funds Rate
Debt Instrument [Line Items]
Debt instrument, variable interest rate								0.50%
LIBOR-Based Rate
Debt Instrument [Line Items]
Debt instrument, variable interest rate								1.00%
LIBOR-Based Rate \| Interest Rate Swaps
Debt Instrument [Line Items]
Interest rate, spread								0.756%
LIBOR-Based Rate \| $1.425 M Senior Notes \| Water Pik Inc
Debt Instrument [Line Items]
Debt instrument, variable interest rate			0.15%
Minimum
Debt Instrument [Line Items]
Customary fees, including commitment fee								0.07%
Minimum \| LIBOR-Based Rate
Debt Instrument [Line Items]
Debt instrument, variable interest rate								0.875%
Minimum \| Base Rate
Debt Instrument [Line Items]
Debt instrument, variable interest rate								0.00%
Maximum
Debt Instrument [Line Items]
Customary fees, including commitment fee								0.175%
Consolidated funded indebtedness to EBITDA ratio								3.75
Maximum \| LIBOR-Based Rate
Debt Instrument [Line Items]
Debt instrument, variable interest rate								1.50%
Maximum \| Base Rate
Debt Instrument [Line Items]
Debt instrument, variable interest rate								0.50%
Commercial Paper
Debt Instrument [Line Items]
Maximum borrowing capacity									$ 1,000,000,000.0
Weighted average interest rate							0.26%	1.92%
Notes maximum maturity days						397 days
New Unsecured Revolving Credit Facility
Debt Instrument [Line Items]
Additional borrowing capacity	$ 600,000,000.0
Maturity date of debt	Mar. 29, 2024
Unsecured Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 1,000,000,000.0
Maturity date of debt									Mar. 29, 2023
Amount borrowed under unsecured revolving credit facility										$ 825,000,000.0
Repayment of unsecured revolving credit facility					$ 825,000,000.0
Term Loan
Debt Instrument [Line Items]
Maturity date of debt	May 01, 2019
Aggregate principal amount	$ 300,000,000.0
Term Loan \| Minimum \| LIBOR-Based Rate
Debt Instrument [Line Items]
Debt instrument, variable interest rate	0.60%
Term Loan \| Maximum \| LIBOR-Based Rate
Debt Instrument [Line Items]
Debt instrument, variable interest rate	1.13%