Loans and Accounts Receivable (Details 4) - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Impaired loans and receivables
Loans over 90 days past due and accruing interest	$ 371	$ 387
Non-accrual loans	296	279
Loans and receivables modified as a Troubled Debt Restructuring in Program	597	462
Loans and receivables modified as Troubled Debt Restructuring Out of Program	220	198
Total impaired loans and receivables	1,484	1,326
Unpaid principal balance	1,352	1,212
Related allowance for Troubled Debt Restructurings	128	101
Accounts Receivable and Loans Textuals [Abstract]
Total loans and receivables modified as a TDR, past due 90 days and still accruing	21	17
Total loans and receivables modified as a TDR, non-accrual	7	6
Out of Program TDR accounts that completed modification programs	165	148
Out of Program TDR accounts not in compliance with modification programs	55	50
Global Consumer Services Group [Member] \| Card Member Loans [Member]
Impaired loans and receivables
Loans over 90 days past due and accruing interest	328	344
Non-accrual loans	248	236
Loans and receivables modified as a Troubled Debt Restructuring in Program	395	313
Loans and receivables modified as Troubled Debt Restructuring Out of Program	145	131
Total impaired loans and receivables	1,116	1,024
Unpaid principal balance	998	923
Related allowance for Troubled Debt Restructurings	103	80
Global Consumer Services Group [Member] \| Card Member Loans [Member] \| Non-US [Member]
Impaired loans and receivables
Loans over 90 days past due and accruing interest	79	69
Unpaid principal balance	67	68
Global Consumer Services Group [Member] \| Card Member Receivables [Member]
Impaired loans and receivables
Loans over 90 days past due and accruing interest	0	0
Non-accrual loans	0	0
Loans and receivables modified as a Troubled Debt Restructuring in Program	41	29
Loans and receivables modified as Troubled Debt Restructuring Out of Program	14	13
Total impaired loans and receivables	55	42
Unpaid principal balance	54	42
Related allowance for Troubled Debt Restructurings	3	2
Global Commercial Services [Member] \| Card Member Loans [Member]
Impaired loans and receivables
Loans over 90 days past due and accruing interest	43	43
Non-accrual loans	48	43
Loans and receivables modified as a Troubled Debt Restructuring in Program	77	59
Loans and receivables modified as Troubled Debt Restructuring Out of Program	33	29
Total impaired loans and receivables	201	174
Unpaid principal balance	188	161
Related allowance for Troubled Debt Restructurings	17	14
Global Commercial Services [Member] \| Card Member Receivables [Member]
Impaired loans and receivables
Loans over 90 days past due and accruing interest	0	0
Non-accrual loans	0	0
Loans and receivables modified as a Troubled Debt Restructuring in Program	84	61
Loans and receivables modified as Troubled Debt Restructuring Out of Program	28	25
Total impaired loans and receivables	112	86
Unpaid principal balance	112	86
Related allowance for Troubled Debt Restructurings	$ 5	$ 5

Accounts Receivable and Loans.

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Recorded investment in financing receivables that have been modified in a Troubled Debt Restructuring and are on nonaccrual status as of the balance sheet date.

+ References

No definition available.

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Recorded investment in financing receivables that have been modified in a Troubled Debt Restructuring and are 90 days or more past due and still accruing interest.

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Out of Program TDRs that have succesfully completed a modification program

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Out of Program TDRs accounts that were not in compliance with the terms of modification programs

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Loans and receivables modified as a Troubled Debt Restructuring Out of Program

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Amount of financing receivable modified as troubled debt restructuring.

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Amount of financing receivable 90 days or more past due and still accruing.

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Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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Amount of allowance for credit losses related to recorded investment.

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Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.

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Reflects the carrying amount of loans deemed to be questionable as to collection on which no interest is continuing to be recognized.

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