Equity - Summary of Changes in Equity (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Class of Stock [Line Items]
Beginning balance	$ 9,347	$ 9,074	$ 9,146	$ 8,389
Net income	104	96	633	404
Other comprehensive income	123	29	(63)	450
Dividends	(87)	(83)	(173)	(163)
Share repurchases	(81)		(127)
Other	10	13	0	49
Ending balance	$ 9,416	9,129	$ 9,416	9,129
Class A Common Stock
Class of Stock [Line Items]
Beginning balance, shares			391,212,047
Share repurchases (in shares)	(2,500,000)		(3,900,000)
Ending balance, shares	389,442,082		389,442,082
Class B Common Stock
Class of Stock [Line Items]
Beginning balance, shares			199,630,240
Share repurchases (in shares)	(1,200,000)		(1,900,000)
Ending balance, shares	197,755,081		197,755,081
Common Stock | Class A Common Stock
Class of Stock [Line Items]
Beginning balance	$ 4	$ 4	$ 4	$ 4
Beginning balance, shares	392,000,000	391,000,000	391,000,000	389,000,000
Share repurchases (in shares)	(3,000,000)		(4,000,000)
Other, shares	0	0	2,000,000	2,000,000
Ending balance	$ 4	$ 4	$ 4	$ 4
Ending balance, shares	389,000,000	391,000,000	389,000,000	391,000,000
Common Stock | Class B Common Stock
Class of Stock [Line Items]
Beginning balance	$ 2	$ 2	$ 2	$ 2
Beginning balance, shares	199,000,000	200,000,000	200,000,000	200,000,000
Share repurchases (in shares)	(1,000,000)		(2,000,000)
Ending balance	$ 2	$ 2	$ 2	$ 2
Ending balance, shares	198,000,000	200,000,000	198,000,000	200,000,000
Additional Paid-in Capital
Class of Stock [Line Items]
Beginning balance	$ 11,948	$ 12,091	$ 12,057	$ 12,148
Dividends	(59)	(59)	(118)	(118)
Share repurchases	(78)		(122)
Other	12	12	6	14
Ending balance	11,823	12,044	11,823	12,044
Accumulated Deficit
Class of Stock [Line Items]
Beginning balance	(2,482)	(2,976)	(2,911)	(3,241)
Net income	82	79	513	344
Share repurchases	(3)		(5)
Ending balance	(2,403)	(2,897)	(2,403)	(2,897)
Accumulated Other Comprehensive Loss
Class of Stock [Line Items]
Beginning balance	(1,089)	(990)	(941)	(1,331)
Other comprehensive income	88	25	(60)	366
Ending balance	(1,001)	(965)	(1,001)	(965)
Total News Corp Equity
Class of Stock [Line Items]
Beginning balance	8,383	8,131	8,211	7,582
Net income	82	79	513	344
Other comprehensive income	88	25	(60)	366
Dividends	(59)	(59)	(118)	(118)
Share repurchases	(81)		(127)
Other	12	12	6	14
Ending balance	8,425	8,188	8,425	8,188
Non-controlling Interests
Class of Stock [Line Items]
Beginning balance	964	943	935	807
Net income	22	17	120	60
Other comprehensive income	35	4	(3)	84
Dividends	(28)	(24)	(55)	(45)
Other	(2)	1	(6)	35
Ending balance	$ 991	$ 941	$ 991	$ 941