Acquisitions, Disposals and Other Transactions (Detail) $ in Millions, $ in Millions	1 Months Ended						12 Months Ended
	Jun. 30, 2022 USD ($)	Feb. 28, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2021 AUD ($)	May 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Sep. 30, 2021	Aug. 31, 2021 board_member	Jun. 30, 2021 AUD ($)	Mar. 31, 2021	Nov. 30, 2020
Schedule Of Business Acquisitions And Divestitures [Line Items]
Goodwill	$ 5,169		$ 4,653				$ 5,140	$ 5,169	$ 4,653
Consideration transferred							17	1,501	886
Previously held equity interest						$ 15
Nonoperating Income (Expense)
Schedule Of Business Acquisitions And Divestitures [Line Items]
Gain on dilution of equity interests							0	15	0
Business acquisition recognized gain resulting from remeasurement of previously held equity interest						7	$ 0	$ 3	7
Elara
Schedule Of Business Acquisitions And Divestitures [Line Items]
Business acquisition purchase price allocation, amortizable and indefinite-lived intangible assets						31
Business acquisition purchase price allocation, amortizable intangible assets						19
Goodwill						$ 113
Ownership percentage	26.60%							26.60%
Increase in equity interest in acquiree						39.00%								22.10%
Tangible liabilities						$ 5
REA Group | PropertyGuru Pte. Ltd.
Schedule Of Business Acquisitions And Divestitures [Line Items]
Ownership percentage	18.00%							18.00%		18.00%	18.00%
Equity method investment, diluted ownership percentage	17.50%							17.50%			16.60%
REA Group | PropertyGuru Pte. Ltd. | Other, Net
Schedule Of Business Acquisitions And Divestitures [Line Items]
Gain on dilution of equity interests								$ 15
REA Group | PropertyGuru Pte. Ltd. | Nonoperating Income (Expense)
Schedule Of Business Acquisitions And Divestitures [Line Items]
Gain on dilution of equity interests								15
REA Group | 99.co
Schedule Of Business Acquisitions And Divestitures [Line Items]
Ownership percentage											27.00%
Number of Board Director's seats acquired | board_member											1
ReaGroup Limited
Schedule Of Business Acquisitions And Divestitures [Line Items]
Dilution of ownership interest						0.20%
Ownership percentage after all transactions						61.40%
ReaGroup Limited | Elara
Schedule Of Business Acquisitions And Divestitures [Line Items]
Increase in equity interest in acquiree													0.80%
Trade Names | Elara
Schedule Of Business Acquisitions And Divestitures [Line Items]
Business acquisition purchase price allocation, indefinite-lived intangible assets						$ 12
Technology | Elara
Schedule Of Business Acquisitions And Divestitures [Line Items]
Finite lived intangible assets, weighted average useful life						5 years
OPIS
Schedule Of Business Acquisitions And Divestitures [Line Items]
Consideration transferred		$ 1,150
Deferred revenue		1
Business acquisition purchase price allocation, amortizable and indefinite-lived intangible assets		620
Goodwill		538
OPIS | Trade Names
Schedule Of Business Acquisitions And Divestitures [Line Items]
Business acquisition purchase price allocation, indefinite-lived intangible assets		48
OPIS | Customer Relationships
Schedule Of Business Acquisitions And Divestitures [Line Items]
Business acquisition purchase price allocation, amortizable intangible assets		$ 528
Finite lived intangible assets, weighted average useful life		20 years
OPIS | Trade Names
Schedule Of Business Acquisitions And Divestitures [Line Items]
Business acquisition purchase price allocation, indefinite-lived intangible assets		$ 54
OPIS | Technology
Schedule Of Business Acquisitions And Divestitures [Line Items]
Business acquisition purchase price allocation, amortizable intangible assets		$ 38
Finite lived intangible assets, weighted average useful life		6 years
Base Chemicals
Schedule Of Business Acquisitions And Divestitures [Line Items]
Deferred revenue	$ 22							22
Business acquisition purchase price allocation, amortizable and indefinite-lived intangible assets	189							189
Goodwill	121							121
Business acquisition, cost of acquired entity, cash paid	295
Base Chemicals | Customer Relationships
Schedule Of Business Acquisitions And Divestitures [Line Items]
Business acquisition purchase price allocation, amortizable intangible assets	$ 145							145
Finite lived intangible assets, weighted average useful life	20 years
Base Chemicals | Trade Names
Schedule Of Business Acquisitions And Divestitures [Line Items]
Business acquisition purchase price allocation, amortizable intangible assets	$ 13							13
Finite lived intangible assets, weighted average useful life	20 years
Base Chemicals | Technology
Schedule Of Business Acquisitions And Divestitures [Line Items]
Business acquisition purchase price allocation, amortizable intangible assets	$ 31							31
Finite lived intangible assets, weighted average useful life	14 years
UpNest, Inc.
Schedule Of Business Acquisitions And Divestitures [Line Items]
Goodwill	$ 40							40
Consideration transferred	45
Contingent consideration liability	$ 15							15
Performance objective period	2 years
Contingent liability	$ 8							8
Post-closing claims	9
UpNest, Inc. | Customer Relationship and Technology Platforms
Schedule Of Business Acquisitions And Divestitures [Line Items]
Business acquisition purchase price allocation, amortizable intangible assets	$ 16							$ 16
Avail
Schedule Of Business Acquisitions And Divestitures [Line Items]
Goodwill						$ 32
Business acquisition, cost of acquired entity, cash paid						36
Contingent consideration liability						$ 4
Performance objective period						3 years
Post-closing claims						$ 6
Cash acquired						4
Contingent consideration						8
Avail | Technology
Schedule Of Business Acquisitions And Divestitures [Line Items]
Business acquisition purchase price allocation, amortizable intangible assets						$ 7
Finite lived intangible assets, weighted average useful life						5 years
Elara
Schedule Of Business Acquisitions And Divestitures [Line Items]
Consideration transferred						$ 138
Business acquisition, cost of acquired entity, cash paid						69
Minority interest value						37
Previously held equity interest						$ 22
Elara | ReaGroup Limited
Schedule Of Business Acquisitions And Divestitures [Line Items]
Equity interest in acquiree						59.70%
Ownership percentage after all transactions								73.30%
Elara | ReaGroup Limited | Elara
Schedule Of Business Acquisitions And Divestitures [Line Items]
Equity interest in acquiree														13.50%
Investor's Business Daily
Schedule Of Business Acquisitions And Divestitures [Line Items]
Consideration transferred					$ 275
Deferred revenue					16
Business acquisition purchase price allocation, amortizable and indefinite-lived intangible assets					123
Business acquisition purchase price allocation, indefinite-lived intangible assets					51
Goodwill					166
Investor's Business Daily | Technology
Schedule Of Business Acquisitions And Divestitures [Line Items]
Business acquisition purchase price allocation, amortizable intangible assets					$ 20
Finite lived intangible assets, weighted average useful life					7 years
Investor's Business Daily | Subscriber Relationships
Schedule Of Business Acquisitions And Divestitures [Line Items]
Business acquisition purchase price allocation, amortizable intangible assets					$ 43
Finite lived intangible assets, weighted average useful life					7 years
HMH Books and Media
Schedule Of Business Acquisitions And Divestitures [Line Items]
Business acquisition purchase price allocation, amortizable and indefinite-lived intangible assets					$ 141
Goodwill					125
Business acquisition, cost of acquired entity, cash paid					349
Business combination purchase price allocation, receivables					83
HMH Books and Media | Backlist Titles
Schedule Of Business Acquisitions And Divestitures [Line Items]
Business acquisition purchase price allocation, amortizable intangible assets					$ 104
Finite lived intangible assets, weighted average useful life					9 years
HMH Books and Media | Publishing Licenses
Schedule Of Business Acquisitions And Divestitures [Line Items]
Business acquisition purchase price allocation, amortizable intangible assets					$ 32
Finite lived intangible assets, weighted average useful life					9 years
Mortgage Choice | REA Group
Schedule Of Business Acquisitions And Divestitures [Line Items]
Business acquisition purchase price allocation, amortizable and indefinite-lived intangible assets			56						56			$ 74
Business acquisition purchase price allocation, indefinite-lived intangible assets			8						8			11
Goodwill			76						76			100
Business acquisition, cost of acquired entity, cash paid			183	$ 244
Net assets acquired			53						53			70
Mortgage Choice | Franchise Rights | REA Group
Schedule Of Business Acquisitions And Divestitures [Line Items]
Business acquisition purchase price allocation, amortizable intangible assets			$ 35						35			46
Finite lived intangible assets, weighted average useful life			17 years	17 years
Mortgage Choice | Computer Software | REA Group
Schedule Of Business Acquisitions And Divestitures [Line Items]
Business acquisition purchase price allocation, amortizable intangible assets			$ 13						$ 13			$ 17
Mortgage Choice | Computer Software | REA Group | Minimum
Schedule Of Business Acquisitions And Divestitures [Line Items]
Finite lived intangible assets, weighted average useful life			1 year	1 year
Mortgage Choice | Computer Software | REA Group | Maximum
Schedule Of Business Acquisitions And Divestitures [Line Items]
Finite lived intangible assets, weighted average useful life			5 years	5 years