BORROWINGS - Schedule of Borrowings (Details) $ in Millions, $ in Millions	Sep. 30, 2025 USD ($)	Sep. 30, 2025 AUD ($)	Jun. 30, 2025 USD ($)
Debt and Financial Instruments [Line Items]
Total borrowings	$ 1,956		$ 1,962
Less: current portion	(25)		(25)
Long-term borrowings	$ 1,931		1,937
2022 Term loan A | News Corporation Borrowings
Debt and Financial Instruments [Line Items]
Interest rate	5.771%	5.771%
Total borrowings	$ 469		475
Derivative interest rate	2.083%	2.083%
Effective interest rate	3.458%	3.458%
2022 Senior notes | News Corporation Borrowings
Debt and Financial Instruments [Line Items]
Interest rate	5.125%	5.125%
Total borrowings	$ 494		494
2021 Senior notes | News Corporation Borrowings
Debt and Financial Instruments [Line Items]
Interest rate	3.875%	3.875%
Total borrowings	$ 993		993
2024 REA credit facility — tranche 1 | REA Group
Debt and Financial Instruments [Line Items]
Interest rate	5.08%	5.08%
Total borrowings	$ 0		$ 0
Line of credit maximum borrowing capacity		$ 200
Amount of unused borrowing capacity		$ 200