Debt Securities, Face Value

No definition available.

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- Definition

Debt Securities, Interest Rate

+ References

No definition available.

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- Definition

Disposal Group, Including Discontinued Operation, Gain (Loss) On Investments

+ References

No definition available.

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- Definition

Disposal Group, Including Discontinued Operation, Goodwill, Impairment Loss

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No definition available.

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- Definition

Long-Term Debt and Lease Obligation, Including Current Maturities And Discontinued Operations

+ References

No definition available.

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- Definition

Proceeds From Sale Of Debt Securities

+ References

No definition available.

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- Definition

The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.

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Amount, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), investment in debt security measured at amortized cost (held-to-maturity), and investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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- Definition

Amount of cash inflow from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as investing activity.

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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No definition available.

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FAIR VALUE MEASUREMENTS - Narrative (Details) ₨ / shares in Units, shares in Millions, $ in Millions, ₨ in Billions						3 Months Ended		9 Months Ended
	Jun. 05, 2024 USD ($)	Jun. 05, 2024 INR (₨)	Apr. 29, 2024 USD ($) shares	Apr. 29, 2024 INR (₨) ₨ / shares shares	Mar. 23, 2024 USD ($) shares	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Jun. 05, 2024 INR (₨)	Mar. 23, 2024 INR (₨)	Dec. 31, 2023 USD ($)	Feb. 28, 2023 USD ($)	Feb. 28, 2023 INR (₨)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Asset impairments						$ 0.0	$ 0.0	$ 0.0	$ 0.0
Long-term debt obligations, including the current portion and discontinued operations						37,100.0		37,100.0				$ 38,900.0
Estimate of Fair Value Measurement
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Long-term debt, fair value						35,700.0		35,700.0				36,700.0
Estimate of Fair Value Measurement \| Level 1
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Long-term debt, fair value						31,200.0		31,200.0				30,000.0
Estimate of Fair Value Measurement \| Level 2
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Long-term debt, fair value						4,500.0		4,500.0				$ 6,700.0
Discontinued Operations, Disposed of by Sale \| ATC TIPL
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Goodwill impairment included in discontinued operations						0.0	$ 322.0	0.0	$ 322.0
VIL
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Number of converted shares \| shares					1,440
Equity shares sold (in shares) \| shares			1,440	1,440
Price per share (in INR per share) \| ₨ / shares				₨ 12.78
Net proceeds			$ 216.0	₨ 18.0
Equity securities						0.0		0.0
VIL \| Discontinued Operations, Disposed of by Sale \| ATC TIPL
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Gain on sales of investments included in discontinued operations								46.4
OCDs \| VIL
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Debt securities	$ 19.2				$ 172.7	$ 0.0		$ 0.0		₨ 1.6	₨ 14.4
Not proceeds from sale of debt securities	$ 22.0	₨ 1.8
OCDs \| VIL
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
VIL OCDs, face value													$ 193.2	₨ 16.0
Debt securities													$ 116.5
Debt securities, interest rate (as a percent)													11.20%	11.20%
OCDs \| VIL \| Maturing on August 27, 2023
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
VIL OCDs, face value													$ 96.6	₨ 8.0
OCDs \| VIL \| Maturing on August 27, 2024
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
VIL OCDs, face value													$ 96.6	₨ 8.0