Acquisitions (Allocation Of The Preliminary Purchase Price To The Acquired Net Assets (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Mar. 31, 2020
Goodwill	$ 9,069	$ 9,025
Mobius
Accounts receivable	3
Inventory	6
Other assets	2
Contingent consideration	(4)
Other liabilities	(10)
Goodwill	303
Assets and liabilities acquired, net	$ 473
Weighted-average life of intangible assets	12 years
Mobius \| Customer relationship
Intangible assets acquired	$ 7
Mobius \| Developed technology and patents
Intangible assets acquired	59
Mobius \| In-process research and development
Intangible assets acquired	98
Mobius \| Non-compete agreements
Intangible assets acquired	9
OrthoSpace, Ltd.
Accounts receivable	1
Inventory	1
Other assets	1
Contingent consideration	0
Other liabilities	(29)
Goodwill	114
Assets and liabilities acquired, net	$ 208
Weighted-average life of intangible assets	18 years
OrthoSpace, Ltd. \| Customer relationship
Intangible assets acquired	$ 0
OrthoSpace, Ltd. \| Developed technology and patents
Intangible assets acquired	120
OrthoSpace, Ltd. \| In-process research and development
Intangible assets acquired	0
OrthoSpace, Ltd. \| Non-compete agreements
Intangible assets acquired	$ 0

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Amount of liability recognized arising from contingent consideration in a business combination.

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