Basis of Presentation and Significant Accounting Policies - Additional Information (Detail)	3 Months Ended				12 Months Ended
	Dec. 31, 2020 USD ($) country	Mar. 31, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Dec. 31, 2020 USD ($) country reportingUnit segment	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Jan. 01, 2019 USD ($)	Dec. 31, 2017 USD ($)
Basis of Presentation and Significant Accounting Policies [Line Items]
Number of countries In which entity products are sold (in countries) | country	200				200
Number of reportable segments (in segments) | segment					5
Tax benefit, after-tax adjustment						$ 10,000,000
Net tax benefit, prior period adjustment of tax payables and receivables						21,000,000
Net tax charge, correction of intangible impairment charges and gain (loss) on disposal calculations						8,000,000
Asset impairment charges		$ 1,500,000,000			$ 1,503,000,000	1,223,000,000	$ 8,337,000,000
Operating cash flow					1,432,000,000	1,044,000,000	680,000,000
Income attributable to non-controlling interests					$ 1,000,000	2,000,000	2,000,000
Number of reporting units (in reporting units) | reportingUnit					8
Proceeds from sale and collection of receivables			$ 200,000,000
Factored receivables	$ 350,000,000
Advertising expense					$ 362,000,000	389,000,000	397,000,000
Research and development expense					144,000,000	149,000,000	151,000,000
Operating lease assets	530,000,000				530,000,000	615,000,000		$ 664,000,000
Present value of lease liabilities	$ 601,000,000				$ 601,000,000			$ 725,000,000
Reclassification from AOCL to retained earnings				$ (63,000,000)
Fire Angel Safety Technology Group PLC
Basis of Presentation and Significant Accounting Policies [Line Items]
Investment owned, percentage	23.40%				23.40%
Other than temporary impairment, equity method investment						12,000,000
Equity method investments	$ 3,000,000				$ 3,000,000	4,000,000
Revenue from related parties					0	0	8,000,000
Continuing Operations
Basis of Presentation and Significant Accounting Policies [Line Items]
Tax benefit, after-tax adjustment						6,000,000
Net tax benefit, prior period adjustment of tax payables and receivables						10,000,000
Net tax charge, correction of intangible impairment charges and gain (loss) on disposal calculations						2,000,000
Net tax charge, correction of out-of-period adjustments						3,000,000
Discontinued Operations
Basis of Presentation and Significant Accounting Policies [Line Items]
Tax benefit, after-tax adjustment						4,000,000
Net tax benefit, prior period adjustment of tax payables and receivables						11,000,000
Net tax charge, correction of intangible impairment charges and gain (loss) on disposal calculations						6,000,000
Reserve for Doubtful Accounts
Basis of Presentation and Significant Accounting Policies [Line Items]
Valuation allowances and reserves	$ 36,000,000				$ 36,000,000	$ 29,000,000	$ 27,000,000		$ 33,000,000
Minimum
Basis of Presentation and Significant Accounting Policies [Line Items]
Number of countries in which entity operates (in countries) | country	40				40