Taxes on Income - Uncertain Tax Positions (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Jun. 30, 2016
A roll forward of the unrecognized tax benefits related to uncertain income tax positions
Balance at the beginning of the period	$ 51	$ 66	$ 78
Additions related to acquisitions	55
Additions based on tax positions related to the current year	18	1	1
Additions for tax positions of prior years	6	2	8
Reductions related to Divestment Business	(30)
Reductions for tax positions of prior years	(5)
Reductions for settlements		(8)
Reductions due to lapse of statute of limitations	(16)	(6)	(16)
Decrease resulting from foreign currency exchange rates	(2)	(4)	(5)
Balance at the end of the period	77	51	66
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	3
Tax benefit related to uncertain tax positions included in annual provision for income taxes		4	8
Amount of unrecognized tax benefits that, if recognized, would reduce tax expense	95
Additional income tax expense related to interest on unrecognized tax benefit	3	2	1
Accrued interest related to unrecognized tax benefit	10	9	11
Accrued penalties related to unrecognized tax benefit	$ 10	$ 0	$ 0
Divestment Business
A roll forward of the unrecognized tax benefits related to uncertain income tax positions
Liability for indemnification of the related portion of uncertain tax positions				$ 36