Business Optimization Charges (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Restructuring And Related Activities [Abstract]
Restructuring charges, net	$ 117	$ 70	$ 285
Costs to implement business optimization programs	94	89	65
Gambro integration costs			26
Accelerated depreciation	9	10	33
Total business optimization charges	$ 220	$ 169	$ 409

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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