Guarantor Financial Information - Condensed Consolidated Statement of Cash Flows (Unaudited) (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Condensed Financial Statements Captions [Line Items]
Net cash provided by/(used in) operating activities	$ (5)	$ (43)
Investing activities:
Acquisition of subsidiaries and affiliates, net of cash acquired	(27)	(59)
Additions to property, plant and equipment and other assets	(4)	(30)
Additions to intangible assets	(108)	(92)
Other investing activities	(3)	1
Net cash used in investing activities	(142)	(180)
Financing activities:
Net borrowings under revolving credit facility	135	263
Repayment of debt	(14)	(14)
Cash dividends paid to shareholders	(21)	(124)
Activity from share-based compensation plans	(4)	(3)
Proceeds from employee stock purchase plan	1	1
Finance leases	(11)	(16)
Settlement of intercompany and other financing activities	(4)	(3)
Net cash provided by/(used in) financing activities	82	104
Effect of exchange-rate changes on cash and cash equivalents	(30)	(3)
Net increase/(decrease) in cash and cash equivalents	(95)	(122)
Cash and cash equivalents at beginning of period	454	524
Cash and cash equivalents at end of period	359	402
Parent
Condensed Financial Statements Captions [Line Items]
Net cash provided by/(used in) operating activities	(12)	(4)
Financing activities:
Cash dividends paid to shareholders	(21)	(124)
Proceeds from employee stock purchase plan	1	1
Settlement of intercompany and other financing activities	41	127
Net cash provided by/(used in) financing activities	21	4
Net increase/(decrease) in cash and cash equivalents	9
Cash and cash equivalents at beginning of period	2	3
Cash and cash equivalents at end of period	11	3
Issuers
Condensed Financial Statements Captions [Line Items]
Net cash provided by/(used in) operating activities	47	15
Financing activities:
Repayment of debt	(14)	(14)
Settlement of intercompany and other financing activities	(32)	1
Net cash provided by/(used in) financing activities	(46)	(13)
Net increase/(decrease) in cash and cash equivalents	1	2
Cash and cash equivalents at end of period	1	2
Guarantor
Condensed Financial Statements Captions [Line Items]
Net cash provided by/(used in) operating activities	(38)	40
Investing activities:
Acquisition of subsidiaries and affiliates, net of cash acquired	(14)	(11)
Additions to property, plant and equipment and other assets	(1)	(14)
Additions to intangible assets	(84)	(76)
Other investing activities		1
Net cash used in investing activities	(99)	(100)
Financing activities:
Net borrowings under revolving credit facility	135	263
Activity from share-based compensation plans	(4)	(3)
Finance leases	(9)	(13)
Settlement of intercompany and other financing activities	11	(203)
Net cash provided by/(used in) financing activities	133	44
Effect of exchange-rate changes on cash and cash equivalents		(3)
Net increase/(decrease) in cash and cash equivalents	(4)	(19)
Cash and cash equivalents at beginning of period	48	79
Cash and cash equivalents at end of period	44	60
Non-Guarantor
Condensed Financial Statements Captions [Line Items]
Net cash provided by/(used in) operating activities	(2)	(94)
Investing activities:
Acquisition of subsidiaries and affiliates, net of cash acquired	(13)	(48)
Additions to property, plant and equipment and other assets	(3)	(16)
Additions to intangible assets	(24)	(16)
Other investing activities	(3)
Net cash used in investing activities	(43)	(80)
Financing activities:
Finance leases	(2)	(3)
Settlement of intercompany and other financing activities	(24)	72
Net cash provided by/(used in) financing activities	(26)	69
Effect of exchange-rate changes on cash and cash equivalents	(30)
Net increase/(decrease) in cash and cash equivalents	(101)	(105)
Cash and cash equivalents at beginning of period	404	442
Cash and cash equivalents at end of period	$ 303	$ 337