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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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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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1)(b))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(2))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482736/825-10-45-1A

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

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(3)(d)(2))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479536/321-10-50-4

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FAIR VALUE MEASUREMENTS - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) $ in Millions, ₨ in Billions	3 Months Ended
	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)	Mar. 23, 2024 USD ($)	Mar. 23, 2024 INR (₨)	Dec. 31, 2023 USD ($)
Assets:
Unrealized (losses) gains on equity securities	$ (14.7)	$ 1.2
VIL
Assets:
Investments in equity securities	172.7
OCDs \| VIL
Assets:
Debt securities			$ 172.7	₨ 14.4
Fair Value, Measurements, Recurring \| Level 1
Assets:
Investments in equity securities	13.5				$ 28.2
Fair Value, Measurements, Recurring \| Level 1 \| VIL
Assets:
Investments in equity securities	0.0				0.0
Fair Value, Measurements, Recurring \| Level 1 \| OCDs \| VIL
Assets:
Debt securities	0.0				0.0
Fair Value, Measurements, Recurring \| Level 2
Assets:
Investments in equity securities	5.3				5.3
Fair Value, Measurements, Recurring \| Level 2 \| VIL
Assets:
Investments in equity securities	172.7				0.0
Fair Value, Measurements, Recurring \| Level 2 \| OCDs \| VIL
Assets:
Debt securities	19.2				192.3
Fair Value, Measurements, Recurring \| Level 3
Assets:
Investments in equity securities	0.0				0.0
Fair Value, Measurements, Recurring \| Level 3 \| VIL
Assets:
Investments in equity securities	0.0				0.0
Fair Value, Measurements, Recurring \| Level 3 \| OCDs \| VIL
Assets:
Debt securities	$ 0.0				$ 0.0