Receivables - Contractual Maturities by Repricing Characteristic (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013
Receivables [Abstract]
Receivables at predetermined interest rates, over 1 but within 5 years	$ 415
Receivables at floating or adjustable rates, over 5 years	13
Total, over 1 but within 5 years	428
Receivables at predetermined interest rates, over 5 years	23,979
Receivables at floating or adjustable rates, over five years	1,980
Total, over 5 years	$ 25,959

Receivable, Contractual Obligation, Due in One to Five Years

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Receivable, Contractual Obligation, Due in One to Five Years, at Floating or Adjustable Rates

No definition available.

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Period Type:	instant

Receivable, Contractual Obligation, Due in One to Five Years, at Predetermined Interest Rates

No definition available.

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Namespace Prefix:	hsbcfc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Receivable, Contractual Obligation, Due in Over Five Years

No definition available.

Name:	hsbcfc_ReceivableContractualObligationDueInOverFiveYears
Namespace Prefix:	hsbcfc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Receivable, Contractual Obligation, Due in Over Five Years, at Floating or Adjustable Rates

No definition available.

Name:	hsbcfc_ReceivableContractualObligationDueInOverFiveYearsAtFloatingOrAdjustableRates
Namespace Prefix:	hsbcfc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Receivable, Contractual Obligation, Due in Over Five Years, at Predetermined Interest Rates

No definition available.

Name:	hsbcfc_ReceivableContractualObligationDueInOverFiveYearsAtPredeterminedInterestRates
Namespace Prefix:	hsbcfc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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Period Type:	duration