Guarantor Financial Information - Consolidating Statement of Cash Flows (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Condensed Financial Statements Captions [Line Items]
Net cash (used in)/provided by operating activities	$ 1,296	$ 1,209	$ 1,093
Investing activities:
Acquisition of subsidiaries and affiliates, net of cash acquired	(285)	(246)	(314)
Proceeds from the sale of subsidiaries and affiliates, net	34	30	(6)
Additions to property, plant and equipment and other assets	(109)	(134)	(163)
Additions to intangible assets	(324)	(274)	(249)
Proceeds from the sale of property, plant and equipment and other assets	42	7
Other investing activities		36
Net cash used in by investing activities	(642)	(581)	(732)
Financing activities:
Net payments under revolving credit facility	(164)	(116)	280
Repayment of debt	(1,765)	(98)	(4,598)
Proceeds from issuances of debt, net of issuance costs	2,502	746	4,544
Increase in short term borrowings	4
Cash dividends paid to stockholders	(434)	(408)	(356)
Repurchase of common stock	(418)	(667)	(466)
Activity under stock plans	81
Proceeds from exercise of stock options	81	72	103
Other financing activities	(54)	(21)	(92)
Net cash used in financing activities	(248)	(492)	(585)
Effect of exchange-rate changes on cash and cash equivalents	(9)	(52)	(67)
Net increase(decrease) in cash and cash equivalents	397	84	(291)
Cash and cash equivalents at beginning of period	357	273	564
Cash and cash equivalents at end of period	754	357	273
Parent
Condensed Financial Statements Captions [Line Items]
Net cash (used in)/provided by operating activities	(5)		(4)
Financing activities:
Cash dividends paid to stockholders	(434)	(408)	(356)
Repurchase of common stock	(418)	(667)	(466)
Activity under stock plans	103
Proceeds from exercise of stock options		79	112
Other financing activities	758	948	751
Net cash used in financing activities	9	(48)	41
Net increase(decrease) in cash and cash equivalents	4	(48)	37
Cash and cash equivalents at beginning of period	1	49	12
Cash and cash equivalents at end of period	5	1	49
Issuers
Condensed Financial Statements Captions [Line Items]
Net cash (used in)/provided by operating activities	278	255	523
Financing activities:
Repayment of debt	(1,765)	(98)	(4,597)
Proceeds from issuances of debt, net of issuance costs	2,502	746	4,544
Other financing activities	(1,014)	(904)	(469)
Net cash used in financing activities	(277)	(256)	(522)
Net increase(decrease) in cash and cash equivalents	1	(1)	1
Cash and cash equivalents at beginning of period		1
Cash and cash equivalents at end of period	1		1
Guarantor
Condensed Financial Statements Captions [Line Items]
Net cash (used in)/provided by operating activities	674	667	373
Investing activities:
Acquisition of subsidiaries and affiliates, net of cash acquired	(245)	(246)	(201)
Proceeds from the sale of subsidiaries and affiliates, net	36	30
Additions to property, plant and equipment and other assets	(53)	(82)	(109)
Additions to intangible assets	(273)	(237)	(222)
Proceeds from the sale of property, plant and equipment and other assets	31
Other investing activities	(1)	36	(1)
Net cash used in by investing activities	(505)	(499)	(533)
Financing activities:
Net payments under revolving credit facility	(164)	(116)	280
Activity under stock plans	(22)
Proceeds from exercise of stock options		(7)	(6)
Other financing activities	226	16	(370)
Net cash used in financing activities	40	(107)	(96)
Effect of exchange-rate changes on cash and cash equivalents	3	(3)
Net increase(decrease) in cash and cash equivalents	212	58	(256)
Cash and cash equivalents at beginning of period	7	(51)	205
Cash and cash equivalents at end of period	219	7	(51)
Non-Guarantor
Condensed Financial Statements Captions [Line Items]
Net cash (used in)/provided by operating activities	349	287	201
Investing activities:
Acquisition of subsidiaries and affiliates, net of cash acquired	(40)		(113)
Proceeds from the sale of subsidiaries and affiliates, net	(2)		(6)
Additions to property, plant and equipment and other assets	(56)	(52)	(54)
Additions to intangible assets	(51)	(37)	(27)
Proceeds from the sale of property, plant and equipment and other assets	11	7
Other investing activities	1		1
Net cash used in by investing activities	(137)	(82)	(199)
Financing activities:
Repayment of debt			(1)
Increase in short term borrowings	4
Proceeds from exercise of stock options			(3)
Other financing activities	(24)	(81)	(4)
Net cash used in financing activities	(20)	(81)	(8)
Effect of exchange-rate changes on cash and cash equivalents	(12)	(49)	(67)
Net increase(decrease) in cash and cash equivalents	180	75	(73)
Cash and cash equivalents at beginning of period	349	274	347
Cash and cash equivalents at end of period	$ 529	$ 349	$ 274