Segment Information Related to Total Assets (Detail) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 15,659	$ 15,546
Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	10,972	10,722
Operating Segments | Renal
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	4,506	4,315
Operating Segments | Hospital Products
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 6,466	$ 6,407