CONSOLIDATED BALANCE SHEET (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Receivables, collateralizing long-term debt	$ 2,999us-gaap_LoansPledgedAsCollateral	$ 4,020us-gaap_LoansPledgedAsCollateral
Credit loss reserves	(2,217)	(3,273)
Due to affiliate, carried at fair value	512hsbcfc_DueToAffiliateCarriedAtFairValue	496hsbcfc_DueToAffiliateCarriedAtFairValue
Long-term debt carried at fair value	6,762us-gaap_LongTermDebtFairValue	8,025us-gaap_LongTermDebtFairValue
Long-term debt collateralized by receivables	$ 1,489	$ 2,200
Common stock, par value (usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized (shares)	100us-gaap_CommonStockSharesAuthorized	100us-gaap_CommonStockSharesAuthorized
Common stock, shares issued (shares)	68us-gaap_CommonStockSharesIssued	68us-gaap_CommonStockSharesIssued
Series B Preferred Stock [Member]
Redeemable preferred stock, shares authorized (shares)	1,501,100	1,501,100
Redeemable preferred stock, par value (usd per share)	$ 0.01	$ 0.01
Redeemable preferred stock, shares issued (shares)	575,000	575,000
Redeemable preferred stock, shares outstanding (shares)	575,000	575,000
Series C Preferred Stock [Member]
Redeemable preferred stock, shares authorized (shares)	1,000	1,000
Redeemable preferred stock, par value (usd per share)	$ 0.01	$ 0.01
Redeemable preferred stock, shares issued (shares)	1,000	1,000
Redeemable preferred stock, shares outstanding (shares)	1,000	1,000

Due to affiliate, carried at fair value.

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Long term debt collateralized by receivable.

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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A valuation allowance for financing receivables that are expected to be uncollectible.

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Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered.

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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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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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