Separation of Baxalta Incorporated - Additional Information (Detail) - USD ($) $ in Millions			3 Months Ended
	Feb. 01, 2016	Jul. 02, 2015	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts payable and accrued liabilities			$ 2,330		$ 2,612
Cash flows from operations – discontinued operations			(17)	$ (159)
Transition Services Agreement
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Reduction in marketing and administrative expense			$ 20	27
Transition Services Agreement | Minimum | Manufacturing and supply agreement (MSA)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
The termination of service period			5 years
Transition Services Agreement | Maximum | Manufacturing and supply agreement (MSA)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
The termination of service period			10 years
Spinoff | Transition Services Agreement | Manufacturing and supply agreement (MSA)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales			$ 6	11
Cost of sales			48	45
Baxalta Inc
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash flows from operations – discontinued operations			(17)	(159)
Baxalta Inc | Discontinued Operations, Held-for-disposition
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts payable and accrued liabilities			43		$ 46
Net assets	$ 90
Gain on disposal of discontinued operations	$ 17			17
Net sales			4	64
Cost of sales			$ 4	$ 59
Spinoff
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Percentage of outstanding common stock distributed		80.50%
Percentage of common stock retained		19.50%
Common stock, shares outstanding		131,902,719
Record date for distribution		Jun. 17, 2015
Shares issued for each share held		1