Debt Instrument Remaining Principal Amount

No definition available.

Name:	ogn_DebtInstrumentRemainingPrincipalAmount
Namespace Prefix:	ogn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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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

Amount of unamortized debt discount (premium) and debt issuance costs.

+ References

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Balance Type:	debit
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- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Balance Type:	credit
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- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation.

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- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

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Long-Term Debt - Schedule of Long-term Debt Instruments (Details) € in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2025 USD ($)	Mar. 31, 2025 EUR (€)	Dec. 31, 2024 USD ($)	Dec. 31, 2024 EUR (€)
Debt Instrument [Line Items]
Other (discounts and debt issuance costs)	$ (93)		$ (97)
Total principal long-term debt	8,956		8,880
Less: Current portion of long-term debt	20		20
Total Long-term debt, net of current portion	8,936		8,860
Notes Payable, Other Payables
Debt Instrument [Line Items]
Long-term debt	7		7
Term Loan B Facility \| Senior Notes
Debt Instrument [Line Items]
Long-term debt	$ 1,543		1,543
Spread on variable rate	2.25%
Euro Denominated Term Loan B \| Senior Notes
Debt Instrument [Line Items]
Long-term debt	$ 779		755
Spread on variable rate	2.75%
Face amount of debt \| €		€ 722		€ 724
4.125% Senior Secured Notes Due 2028 \| Senior Notes
Debt Instrument [Line Items]
Long-term debt	$ 2,100		2,100
Stated interest rate	4.125%	4.125%
2.875% Senior Secured Notes Due 2028 \| Senior Notes
Debt Instrument [Line Items]
Long-term debt	$ 1,348		1,304
2.875% Senior Secured Notes Due 2028 \| Senior Notes \| Organon Finance 1 LLC
Debt Instrument [Line Items]
Face amount of debt \| €		€ 1,250
Stated interest rate	2.875%	2.875%
5.125% notes due 2031 \| Senior Notes
Debt Instrument [Line Items]
Long-term debt	$ 2,000		2,000
5.125% notes due 2031 \| Senior Notes \| Organon Finance 1 LLC
Debt Instrument [Line Items]
Stated interest rate	5.125%	5.125%
6.750% secured notes due 2034 \| Senior Notes
Debt Instrument [Line Items]
Long-term debt	$ 500		500
Stated interest rate	6.75%	6.75%
7.875% notes due 2034 \| Senior Notes
Debt Instrument [Line Items]
Long-term debt	$ 500		500
7.875% notes due 2034 \| Senior Notes \| Organon Finance 1 LLC
Debt Instrument [Line Items]
Stated interest rate	7.875%	7.875%
Revenue Interest Purchase and Sale Agreement \| Senior Notes
Debt Instrument [Line Items]
Long-term debt	$ 169		165
Remaining principal amount	156
NovaQuest Funding Agreement \| Senior Notes
Debt Instrument [Line Items]
Long-term debt	103		$ 103
Remaining principal amount	$ 102