Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of tangible or intangible assets, including a business or subsidiary of the acquirer transferred by the entity to the former owners of the acquiree. Excludes cash.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Acquisitions - Narrative (Details) € in Millions, $ in Millions					3 Months Ended		9 Months Ended
	Jan. 31, 2020 USD ($)	Sep. 19, 2019 USD ($)	Sep. 19, 2019 EUR (€)	Aug. 15, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2020 EUR (€)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Business Acquisition [Line Items]
Goodwill					$ 3,711		$ 3,711		$ 3,508
Purchases of non-controlling interests in subsidiaries							$ 99	$ 0
Hello Product LLC
Business Acquisition [Line Items]
Payments to acquire business, cash	$ 351
Other intangible assets	160
Goodwill	171
Purchase price consideration	351
Hello Product LLC \| North America
Business Acquisition [Line Items]
Goodwill	171
Hello Product LLC \| Trademarks
Business Acquisition [Line Items]
Other intangible assets	$ 115
Useful life	25 years
Hello Product LLC \| Customer Relationships
Business Acquisition [Line Items]
Other intangible assets	$ 45
Useful life	17 years
Laboratoires Filorga Cosmétiques
Business Acquisition [Line Items]
Payments to acquire business, cash		$ 1,674	€ 1,516
Other intangible assets		1,051
Goodwill		923
Additional purchase price consideration		38	€ 32
Purchases of non-controlling interests in subsidiaries					$ 99	€ 85
Purchase price consideration		1,712
Laboratoires Filorga Cosmétiques \| Europe
Business Acquisition [Line Items]
Goodwill		923
Laboratoires Filorga Cosmétiques \| Trademarks
Business Acquisition [Line Items]
Other intangible assets		774
Laboratoires Filorga Cosmétiques \| Customer Relationships
Business Acquisition [Line Items]
Other intangible assets		$ 277
Useful life		14 years	14 years
Nigeria Joint Venture
Business Acquisition [Line Items]
Controlling interest acquired (in percent)				51.00%
Purchase price consideration				$ 31