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BUSINESS SEGMENTS - Schedule of Capital Expenditures for Property and Equipment Reconciled to Consolidated Amounts (Details) - USD ($) $ in Millions	Sep. 30, 2025	Sep. 30, 2024
Segment Reporting Capital Expenditure For Property And Equipment Reconciling Item [Line Items]
Total capital expenditures	$ 145	$ 106
Operating Segments
Segment Reporting Capital Expenditure For Property And Equipment Reconciling Item [Line Items]
Total capital expenditures	102	77
Operating Segments | Real Estate Sales and Financing Segment
Segment Reporting Capital Expenditure For Property And Equipment Reconciling Item [Line Items]
Total capital expenditures	100	76
Operating Segments | Resort Operations and Club Management Segment
Segment Reporting Capital Expenditure For Property And Equipment Reconciling Item [Line Items]
Total capital expenditures	2	1
Corporate
Segment Reporting Capital Expenditure For Property And Equipment Reconciling Item [Line Items]
Total capital expenditures	$ 43	$ 29

X

- Definition

Capital expenditures for property and equipment.

+ References

No definition available.

+ Details

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X

- Definition

Segment reporting capital expenditure for property and equipment reconciling item.

+ References

No definition available.

+ Details

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X

- Details

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X

- Details

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