Acquisitions and Divestitures (Details) - USD ($) $ in Millions			9 Months Ended	12 Months Ended
	Aug. 03, 2023	Sep. 30, 2022	Sep. 30, 2023	Dec. 31, 2022	Jun. 30, 2023
Asset Acquisition [Line Items]
Goodwill, Acquired During Period			$ 38
PetMedix Ltd. [Member]
Business Combinations [Abstract]
Business Acquisition, Percentage of Voting Interests Acquired			100.00%
Asset Acquisition [Line Items]
Payments to Acquire Businesses, Gross	$ 100
Business Acquisition, Percentage of Voting Interests Acquired			100.00%
Cash Acquired from Acquisition	19
Acquisition of a noncontrolling interest, net of cash acquired	$ 111
Jurox
Business Combinations [Abstract]
Business Acquisition, Percentage of Voting Interests Acquired					100.00%
Asset Acquisition [Line Items]
Cash and cash equivalents		$ 20
Accounts receivable		8
Inventories		21
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other		1
Property, plant and equipment		25
Identifiable intangible assets		135
Other noncurrent assets		7
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable		2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other		12
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other		1
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net		202
Goodwill, Acquired During Period		38
Payments to Acquire Businesses, Gross		240
Business Acquisition, Percentage of Voting Interests Acquired					100.00%
Business Combination, Consideration Transferred, Before Adjustments		$ 226
Business Combination, Consideration Transferred, Outstanding			$ 5
Acquisition of a noncontrolling interest, net of cash acquired				$ 215