American Express (AXP) 10-Q18 Oct 242024 Q3 Quarterly reportFinancial data

Company Profile

Cover

Cover - shares	9 Months Ended
Cover - shares	Sep. 30, 2024	Oct. 15, 2024
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2024
Document Transition Report	false
Entity File Number	1-7657
Entity Registrant Name	AMERICAN EXPRESS COMPANY
Entity Incorporation, State or Country Code	NY
Entity Tax Identification Number	13-4922250
Entity Address, Address Line One	200 Vesey Street
Entity Address, City or Town	New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10285
City Area Code	212
Local Phone Number	640-2000
Title of 12(b) Security	Common shares (par value $0.20 per share)
Trading Symbol	AXP
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		704,444,890
Entity Central Index Key	0000004962
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q3
Amendment Flag	false

Consolidated Statements of Inco

Consolidated Statements of Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended				9 Months Ended
	Sep. 30, 2024		Sep. 30, 2023		Sep. 30, 2024		Sep. 30, 2023
Non-interest revenues
Non-interest revenues	$ 12,630		$ 11,939		$ 37,265		$ 35,186
Interest income
Interest on loans	5,442		4,635		15,592		12,787
Interest and dividends on investment securities	18		33		68		97
Deposits with banks and other	689		572		2,058		1,547
Total interest income	6,149		5,240		17,718		14,431
Interest expense
Deposits	1,446		1,290		4,298		3,480
Long-term debt and other	697		508		1,915		1,421
Total interest expense	2,143		1,798		6,213		4,901
Net interest income	4,006		3,442		11,505		9,530
Total revenues net of interest expense	16,636		15,381		48,770		44,716
Provisions for credit losses
Total provisions for credit losses	1,356		1,233		3,893		3,486
Total revenues net of interest expense after provisions for credit losses	15,280		14,148		44,877		41,230
Expenses
Card Member rewards	4,168		3,794		12,169		11,516
Business development	1,430		1,393		4,249		4,174
Card Member services	1,179		973		3,504		2,905
Marketing	1,470		1,236		4,426		3,985
Salaries and employee benefits	2,049		2,047		6,096		5,936
Other, net	1,780		1,605		4,294		4,713
Total expenses	12,076		11,048		34,738		33,229
Pretax income	3,204		3,100		10,139		8,001
Income tax provision	697		649		2,180		1,560
Net income	$ 2,507		$ 2,451		$ 7,959		$ 6,441
Earnings per Common Share
Basic (in dollars per share)	$ 3.50	[1]	$ 3.30	[1]	$ 10.99	[2]	$ 8.60	[2]
Diluted (in dollars per share)	$ 3.49	[1]	$ 3.30	[1]	$ 10.97	[2]	$ 8.59	[2]
Average common shares outstanding for earnings per common share:
Basic (in shares)	708		732		715		738
Diluted (in shares)	709		733		716		739
Card Member Receivables
Provisions for credit losses
Total provisions for credit losses	$ 170		$ 206		$ 592		$ 658
Card Member Loans
Provisions for credit losses
Total provisions for credit losses	1,114		982		3,098		2,691
Other
Provisions for credit losses
Total provisions for credit losses	72		45		203		137
Discount revenue
Non-interest revenues
Non-interest revenues	8,780		8,408		26,015		24,836
Net card fees
Non-interest revenues
Non-interest revenues	2,170		1,846		6,204		5,348
Service fees and other revenue
Non-interest revenues
Non-interest revenues	1,267		1,261		3,839		3,711
Processed revenue
Non-interest revenues
Non-interest revenues	$ 413		$ 424		$ 1,207		$ 1,291

[1] Represents net income less (i) earnings allocated to participating share awards of $18 million and $19 million for the three months ended September 30, 2024 and 2023, respectively, and (ii) dividends on preferred shares of $15 million and $14 million for the three months ended September 30, 2024 and 2023, respectively. Represents net income less (i) earnings allocated to participating share awards of $59 million and $50 million for the nine months ended September 30, 2024 and 2023, respectively, and (ii) dividends on preferred shares of $44 million and $43 million for the nine months ended September 30, 2024 and 2023, respectively.

Consolidated Statements of In_2

Consolidated Statements of Income (Unaudited) (Parenthetical) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Earnings allocated to participating share awards	$ 18	$ 19	$ 59	$ 50
Dividends on preferred shares	$ 15	$ 14	$ 44	$ 43

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 2,507	$ 2,451	$ 7,959	$ 6,441
Other comprehensive income (loss):
Net unrealized debt securities gains (losses), net of tax	4	14	8	34
Foreign currency translation adjustments, net of hedges and tax	1	(110)	(135)	(57)
Net unrealized pension and other postretirement benefits, net of tax	0	4	4	57
Other comprehensive income (loss)	5	(92)	(123)	34
Comprehensive income	$ 2,512	$ 2,359	$ 7,836	$ 6,475

Consolidated Balance Sheets (Un

Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Cash and cash equivalents
Cash and due from banks (includes restricted cash of consolidated variable interest entities: 2024, $13; 2023, nil)	$ 3,205	$ 7,118
Interest-bearing deposits in other banks	44,593	39,312
Short-term investment securities (includes restricted investments of consolidated variable interest entities: 2024, $88; 2023, $66)	120	166
Total cash and cash equivalents (includes restricted cash: 2024, $471; 2023, $514)	47,918	46,596
Investment securities	1,268	2,186
Premises and equipment, less accumulated depreciation and amortization: 2024, $10,867; 2023, $9,911	5,308	5,138
Other assets, less reserves for credit losses: 2024, $49; 2023, $27	20,333	19,114
Total assets	270,979	261,108
Liabilities
Customer deposits	135,438	129,144
Accounts payable	13,162	13,109
Short-term borrowings	1,457	1,293
Long-term debt (includes debt issued by consolidated variable interest entities: 2024, $16,626; 2023, $13,426)	53,546	47,866
Other liabilities	37,669	41,639
Total liabilities	241,272	233,051
Contingencies (Note 7)
Shareholders’ Equity
Preferred shares, $1.662/3 par value, authorized 20 million shares; issued and outstanding 1,600 shares as of September 30, 2024 and December 31, 2023	0	0
Common shares, $0.20 par value, authorized 3.6 billion shares; issued and outstanding 704 million shares as of September 30, 2024 and 723 million shares as of December 31, 2023	141	145
Additional paid-in capital	11,295	11,372
Retained earnings	21,466	19,612
Accumulated other comprehensive income (loss)	(3,195)	(3,072)
Total shareholders’ equity	29,707	28,057
Total liabilities and shareholders’ equity	270,979	261,108
Card Member Receivables
Cash and cash equivalents
Financing receivables, net	58,886	60,237
Card Member Loans
Cash and cash equivalents
Financing receivables, net	128,960	120,877
Other Loans
Cash and cash equivalents
Financing receivables, net	$ 8,306	$ 6,960

Consolidated Balance Sheets (_2

Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Cash and cash equivalents
Restricted cash	$ 471	$ 514
Accumulated depreciation and amortization	10,867	9,911
Other assets, reserves for credit losses	49	27
Liabilities
Long-term debt	$ 53,546	$ 47,866
Shareholders’ Equity
Preferred shares, par value (in dollars per share)	$ 1.667	$ 1.667
Preferred shares authorized (in shares)	20,000,000	20,000,000
Preferred shares, issued (in shares)	1,600	1,600
Preferred shares, outstanding (in shares)	1,600	1,600
Common shares, par value (in dollars per share)	$ 0.20	$ 0.20
Common shares, authorized (in shares)	3,600,000,000	3,600,000,000
Common shares, issued (in shares)	704,000,000	723,000,000
Common shares, outstanding (in shares)	704,000,000	723,000,000
Card Member Receivables
Cash and cash equivalents
Financing receivables, gross	$ 59,042	$ 60,411
Allowance for credit losses	156	174
Card Member Loans
Cash and cash equivalents
Financing receivables, gross	134,548	125,995
Allowance for credit losses	5,588	5,118
Other Loans
Cash and cash equivalents
Allowance for credit losses	154	126
Variable Interest Entity, Primary Beneficiary
Cash and cash equivalents
Restricted cash	13	0
Restricted investments	88	66
Liabilities
Long-term debt	16,626	13,426
Variable Interest Entity, Primary Beneficiary \| Card Member Receivables
Cash and cash equivalents
Financing receivables, gross	4,530	4,587
Variable Interest Entity, Primary Beneficiary \| Card Member Loans
Cash and cash equivalents
Financing receivables, gross	$ 26,935	$ 28,590

Consolidated Statements of Cash

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023
Cash Flows from Operating Activities
Net income		$ 7,959	$ 6,441
Adjustments to reconcile net income to net cash provided by operating activities:
Provisions for credit losses		3,893	3,486
Depreciation and amortization		1,248	1,229
Stock-based compensation		393	341
Deferred taxes		(917)	(1,227)
Other items	[1]	(333)	393
Originations of loans held-for-sale		0	(54)
Proceeds from sales of loans held-for-sale		0	59
Changes in operating assets and liabilities, net of effects of dispositions and acquisitions:
Other assets		(222)	(710)
Accounts payable & other liabilities		(3,749)	1,832
Net cash provided by operating activities		8,272	11,790
Cash Flows from Investing Activities
Sale of investments		35	1
Maturities and redemptions of investments		1,875	1,571
Purchase of investments		(1,210)	(1,173)
Net increase in loans and Card Member receivables	[2]	(11,945)	(15,462)
Purchase of premises and equipment, net of sales: 2024, $4; 2023, $1		(1,416)	(1,137)
Acquisitions, net of cash acquired		(90)	(64)
Dispositions, net of cash disposed		594	0
Net cash used in investing activities		(12,157)	(16,264)
Cash Flows from Financing Activities
Net increase in customer deposits		6,305	14,217
Net increase in short-term borrowings	[2]	169	269
Proceeds from long-term debt		12,519	13,148
Payments of long-term debt		(7,358)	(9,270)
Issuance of American Express common shares		49	23
Repurchase of American Express common shares and other		(4,989)	(2,749)
Dividends paid		(1,489)	(1,326)
Net cash provided by financing activities		5,206	14,312
Effect of foreign currency exchange rates on cash and cash equivalents		1	156
Net increase in cash and cash equivalents		1,322	9,994
Cash and cash equivalents at beginning of period		46,596	33,914
Cash and cash equivalents at end of period		$ 47,918	$ 43,908

[1] Primarily includes the gain recognized on the sale of Accertify (see Note 1), gains/losses on fair value hedges, changes in reserves, losses on tax credit investments, net gains and losses on Amex Ventures investments, and changes in equity method investments. Excludes an increase of $117 million related to non-cash activity during the three months ended March 31, 2023.

Consolidated Statements of Ca_2

Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement of Cash Flows [Abstract]
Sales of premises and equipment		$ 4	$ 1
Net increase in short-term borrowings, non-cash	$ 117
Net increase in loans and Card Member receivables, non-cash	$ 117

Consolidated Statements of Shar

Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Millions	Total	Preferred Shares	Common Shares	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Series D Preferred Stock	Series D Preferred Stock Retained Earnings
Beginning Balance at Dec. 31, 2022	$ 24,711	$ 0	$ 149	$ 11,493	$ (3,210)	$ 16,279
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	6,441					6,441
Other comprehensive income (loss)	34				34	0
Repurchase of common shares	(2,611)		(3)	(246)		(2,362)
Other changes, including employee plans	126			154		(28)
Cash dividends declared preferred							$ (43)	$ (43)
Cash dividends declared common	(1,334)					(1,334)
Ending Balance at Sep. 30, 2023	27,324	0	146	11,401	(3,176)	18,953
Beginning Balance at Jun. 30, 2023	26,703	0	148	11,509	(3,084)	18,130
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,451					2,451
Other comprehensive income (loss)	(92)				(92)	0
Repurchase of common shares	(1,299)		(2)	(123)		(1,174)
Other changes, including employee plans	14			15		(1)
Cash dividends declared preferred							(14)	(14)
Cash dividends declared common	(439)					(439)
Ending Balance at Sep. 30, 2023	27,324	0	146	11,401	(3,176)	18,953
Beginning Balance at Dec. 31, 2023	28,057	0	145	11,372	(3,072)	19,612
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	7,959					7,959
Other comprehensive income (loss)	(123)				(123)	0
Repurchase of common shares	(4,822)		(4)	(321)		(4,497)
Other changes, including employee plans	184			244		(60)
Cash dividends declared preferred							(44)	(44)
Cash dividends declared common	(1,504)					(1,504)
Ending Balance at Sep. 30, 2024	29,707	0	141	11,295	(3,195)	21,466
Beginning Balance at Jun. 30, 2024	29,540	0	143	11,332	(3,200)	21,265
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,507					2,507
Other comprehensive income (loss)	5				5	0
Repurchase of common shares	(1,919)		(2)	(121)		(1,796)
Other changes, including employee plans	83			84		(1)
Cash dividends declared preferred							$ (15)	$ (15)
Cash dividends declared common	(494)					(494)
Ending Balance at Sep. 30, 2024	$ 29,707	$ 0	$ 141	$ 11,295	$ (3,195)	$ 21,466

Consolidated Statements of Sh_2

Consolidated Statements of Shareholders' Equity (Unaudited) (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Common stock, dividend per share (in dollars per share)	$ 0.70	$ 0.60	$ 2.10	$ 1.80
Series D Preferred Stock
Preferred stock, dividend per share (in dollars per share)	$ 9,072.22	$ 9,072.22	$ 27,315.27	$ 27,019.44

Basis of Presentation

Basis of Presentation	9 Months Ended
Basis of Presentation	Sep. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation The Company We are a globally integrated payments company, providing customers with access to products, insights and experiences that enrich lives and build business success. We are a leader in providing credit and charge cards to consumers, small businesses, mid-sized companies and large corporations around the world. Our various products and services are offered globally to diverse customer groups through various channels, including mobile and online applications, affiliate marketing, customer referral programs, third-party service providers and business partners, direct mail, telephone, in-house sales teams and direct response advertising. The accompanying Consolidated Financial Statements should be read in conjunction with the Consolidated Financial Statements included in our Annual Report on Form 10-K for the year ended December 31, 2023 (the 2023 Form 10-K). If not materially different, certain note disclosures included therein have been omitted from these Consolidated Financial Statements. The interim Consolidated Financial Statements included in this report have not been audited. In the opinion of management, all adjustments, which consist of normal recurring adjustments necessary for a fair statement of the interim Consolidated Financial Statements, have been made. Results of operations reported for interim periods are not necessarily indicative of results for the entire year. The preparation of Consolidated Financial Statements in conformity with accounting principles generally accepted in the United States of America (GAAP) requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses, and the disclosures of contingent assets and liabilities. These accounting estimates reflect the best judgment of management, but actual results could differ. Business Events On May 1, 2024, we completed the previously announced transaction to sell fraud prevention solutions provider Accertify, Inc. (Accertify), a wholly owned subsidiary we acquired in 2010, the operations of which were reported within the Global Merchant and Network Services (GMNS) segment. The transaction resulted in a gain of $531 million ($479 million after tax), which was reported as a reduction to Other expense in the second quarter of 2024. Prior to the completion of the transaction, the carrying amount of Accertify’s net assets were not material to the Company’s financial position. Recently Issued Accounting Standards In November 2023, the Financial Accounting Standards Board issued updated accounting guidance for segment reporting, effective for annual reporting periods beginning after December 15, 2023 and for interim reporting periods beginning January 1, 2025. The updated guidance requires enhanced disclosures for significant expenses by reportable operating segment. Significant expense categories and amounts are those regularly provided to the chief operating decision maker (CODM) and included in the measure of a segment’s profit or loss. The updated guidance will also require us to disclose the title and position of our CODM, including an explanation of how our CODM uses the reported measure(s) of segment profit or loss in assessing segment performance and deciding how to allocate resources. We have completed our evaluation of the updated guidance and have determined it will not have a material impact to our Consolidated Financial Statements. In December 2023, the Financial Accounting Standards Board issued updated accounting guidance on Disclosures for Income Taxes, effective January 1, 2025, with early adoption permitted. The updated guidance requires additional disclosure and disaggregated information in the Income Tax Rate reconciliation using both percentages and reporting currency amounts, with additional qualitative explanations of individually significant reconciling items. The updated guidance also requires disclosure of the amount of income taxes paid (net of refunds received) disaggregated by jurisdictional categories (federal (national), state and foreign). We are currently assessing the updated guidance; however, it is not expected to have a material impact to our Consolidated Financial Statements.

Loans and Card Member Receivabl

Loans and Card Member Receivables	9 Months Ended
Loans and Card Member Receivables	Sep. 30, 2024
Receivables [Abstract]
Loans and Card Member Receivables	Loans and Card Member Receivables Our lending and charge payment card products that we offer to consumer, small business and corporate customers result in the generation of Card Member loans and Card Member receivables. We also extend credit to customers through non-card financing products, resulting in Other loans. Card Member and Other loans as of September 30, 2024 and December 31, 2023 consisted of: (Millions) 2024 2023 Consumer (a) $ 102,236 $ 98,111 Small Business 32,275 27,833 Corporate 37 51 Card Member loans 134,548 125,995 Less: Reserves for credit losses 5,588 5,118 Card Member loans, net $ 128,960 $ 120,877 Other loans, net (b) $ 8,306 $ 6,960 (a) Includes approximately $26.9 billion and $28.6 billion of gross Card Member loans available to settle obligations of a consolidated variable interest entity (VIE) as of September 30, 2024 and December 31, 2023, respectively. (b) Other loans are presented net of reserves for credit losses of $154 million and $126 million as of September 30, 2024 and December 31, 2023, respectively. Card Member receivables as of September 30, 2024 and December 31, 2023 consisted of: (Millions) 2024 2023 Consumer $ 23,426 $ 25,578 Small Business 18,925 19,286 Corporate (a) 16,691 15,547 Card Member receivables 59,042 60,411 Less: Reserves for credit losses 156 174 Card Member receivables, net $ 58,886 $ 60,237 (a) Includes $4.5 billion and $4.6 billion of gross Card Member receivables available to settle obligations of a consolidated VIE as of September 30, 2024 and December 31, 2023, respectively. Card Member Loans and Receivables Aging Generally, a Card Member account is considered past due if payment due is not received within 30 days after the billing statement date. The following tables present the aging of Card Member loans and receivables as of September 30, 2024 and December 31, 2023: 2024 ( Millions ) Current 30-59 60-89 90+ Total 90+ Days Past Due and Still Accruing Interest (c) Non-Accruals (d) Card Member Loans: Consumer $ 100,819 $ 446 $ 327 $ 644 $ 102,236 $ 409 $ 391 Small Business 31,813 154 108 200 32,275 125 116 Corporate (a) (b) (b) (b) — 37 — — Card Member Receivables: Consumer 23,245 59 41 81 23,426 — — Small Business $ 18,704 $ 83 $ 51 87 18,925 — — Corporate (a) (b) (b) (b) $ 67 $ 16,691 $ — $ — 2023 ( Millions ) Current 30-59 60-89 90+ Total 90+ Days Past Due and Still Accruing Interest (c) Non-Accruals (d) Card Member Loans: Consumer $ 96,779 $ 420 $ 298 $ 614 $ 98,111 $ 393 $ 344 Small Business 27,444 133 85 171 27,833 109 95 Corporate (a) (b) (b) (b) — 51 — — Card Member Receivables: Consumer 25,355 70 47 106 25,578 — — Small Business $ 19,020 $ 104 $ 62 100 19,286 — — Corporate (a) (b) (b) (b) $ 67 $ 15,547 $ — $ — (a) For corporate accounts, delinquency data is tracked based on days past billing status rather than days past due. A Card Member account is considered 90 days past billing if payment has not been received within 90 days of the Card Member’s billing statement date. In addition, if we initiate collection procedures on an account prior to the account becoming 90 days past billing, the associated Card Member loan or receivable balance is classified as 90 days past billing. These amounts are shown above as 90+ Days Past Due for presentation purposes. See also (b). (b) Delinquency data for periods other than 90+ days past billing is not available due to system constraints. Therefore, such data has not been utilized for risk management purposes. The balances that are current to 89 days past due can be derived as the difference between the Total and the 90+ Days Past Due balances. (c) Our policy is generally to accrue interest through the date of write-off (typically 180 days past due). We establish reserves for interest that we believe will not be collected. (d) Non-accrual loans primarily include certain loans placed with outside collection agencies for which we have ceased accruing interest. Credit Quality Indicators for Card Member Loans and Receivables The following table presents the key credit quality indicators as of or for the nine months ended September 30: 2024 2023 Net Write-Off Rate Net Write-Off Rate Principal Only (a) Principal, Interest & Fees (a) 30+ Days Past Due as a % of Total Principal Only (a) Principal, Interest & Fees (a) 30+ Days Past Due as a % of Total Card Member Loans: Consumer 2.2 % 2.8 % 1.4 % 1.7 % 2.1 % 1.3 % Small Business 2.2 % 2.6 % 1.4 % 1.5 % 1.8 % 1.3 % Card Member Receivables: Consumer 1.3 % 1.4 % 0.8 % 1.6 % 1.7 % 1.0 % Small Business 2.0 % 2.1 % 1.2 % 2.3 % 2.4 % 1.3 % Corporate (b) 0.6 % (c) (b) 0.6 % (c) (a) We present a net write-off rate based on principal losses only (i.e., excluding interest and/or fees) to be consistent with industry convention. In addition, as our practice is to include uncollectible interest and/or fees as part of our total provision for credit losses, a net write-off rate including principal, interest and/or fees is also presented. (b) Net write-off rate based on principal losses only is not available due to system constraints. (c) For corporate receivables, delinquency data is tracked based on days past billing status rather than days past due. Delinquency data for periods other than 90+ days past billing is not available due to system constraints. 90+ days past billing as a % of total was 0.4% and 0.5% as of September 30, 2024 and 2023, respectively. Refer to Note 3 for additional indicators, including external qualitative factors, management considers in its evaluation process for reserves for credit losses. Loans and Receivables Restructurings for Borrowers Experiencing Financial Difficulty Effective January 1, 2023, we prospectively adopted the new guidance that eliminated the recognition and measurement of troubled debt restructurings. Following the adoption of this guidance, we evaluate all loans and receivables restructurings according to the accounting guidance for loan refinancing and restructuring to determine whether such loan modification should be accounted for as a new loan or a continuation of the existing loan. Our loans and receivables restructurings for borrowers experiencing financial difficulty are generally accounted for as a continuation of the existing loan, which reflects the ongoing effort to support our customer and recover our investment in the existing loan. We offer several types of loans and receivables modification programs to customers experiencing financial difficulty. In such instances, we may modify loans and receivables with the intention to minimize losses and improve collectability, while providing customers with temporary or permanent financial relief. Such modifications to the loans and receivables primarily include (i) temporary interest rate reductions (reducing interest rates to as low as zero percent, in which case the loan is characterized as non-accrual), and/or (ii) placing the customer on a fixed payment plan not to exceed 60 months. Upon entering the modification program, the customer’s ability to make future purchases is limited, canceled or, in certain cases, suspended until the customer successfully exits from the modification program. As of September 30, 2024 and 2023, we had $70 million and $48 million, respectively, of unused credit available to customers with loans and receivables modified during each of the respective nine month periods. In accordance with the modification agreement with the customer, loans and/or receivables may revert to the original contractual terms (including the contractual interest rate where applicable) when the customer exits the modification program, which is either (i) when all payments have been made in accordance with the modification agreement or (ii) when the customer defaults out of the modification program. The following tables provide information relating to loans and receivables modifications for borrowers experiencing financial difficulty during the three and nine months ended September 30, 2024 and 2023: Three Months Ended September 30, 2024 2023 Account Balances ( Millions ) (a) % of Total Class of Financing Receivables Weighted Average Interest Rate Reduction Weighted Average Payment Account Balances ( Millions ) (a) % of Total Class of Financing Receivables Weighted Average Interest Rate Reduction Weighted Average Payment Interest Rate Reduction Card Member Loans Consumer $ 511 0.5 % 18.3 % (b) $ 542 0.6 % 16.4 % (b) Small Business 185 0.6 % 17.6 % (b) 167 0.6 % 15.9 % (b) Corporate — — — (b) — — — (b) Term Extension Card Member Receivables Consumer 89 0.4 % (c) 31 126 0.6 % (c) 30 Small Business 138 0.7 % (c) 31 181 0.9 % (c) 30 Corporate 9 0.1 % (c) 10 4 0.02 % (c) 10 Other Loans 8 0.1 % — 16 8 0.1 % — 19 Interest Rate Reduction Other Loans 16 0.2 % 2.5 % 20 16 0.2 % 2.1 % 20 Total $ 956 $ 1,044 Nine Months Ended September 30, 2024 2023 Account Balances ( Millions ) (a) % of Total Class of Financing Receivables Weighted Average Interest Rate Reduction Weighted Average Payment Account Balances ( Millions ) (a) % of Total Class of Financing Receivables Weighted Average Interest Rate Reduction Weighted Average Payment Interest Rate Reduction Card Member Loans Consumer $ 1,438 1.4 % 18.2 % (b) $ 1,113 1.2 % 16.1 % (b) Small Business 514 1.6 % 17.5 % (b) 411 1.5 % 15.7 % (b) Corporate — — — (b) — — — (b) Term Extension Card Member Receivables Consumer 232 1.0 % (c) 30 282 1.3 % (c) 27 Small Business 359 1.9 % (c) 30 455 2.3 % (c) 27 Corporate 15 0.1 % (c) 9 12 0.1 % (c) 10 Other Loans 26 0.3 % — 18 19 0.3 % — 18 Interest Rate Reduction Other Loans 46 0.5 % 2.5 % 20 28 0.4 % 2.0 % 19 Total $ 2,630 $ 2,320 (a) Represents the outstanding balances as of September 30, 2024 and 2023 of all modifications undertaken in the prior three and nine months, respectively, for loans and receivables that remain in modification programs as of, or that defaulted on or before, September 30, 2024 and 2023, respectively. The outstanding balances include principal, fees, and accrued interest on loans and principal and fees on receivables. Modifications did not reduce the principal balance. (b) For Card Member loans, we generally do not offer payment term extensions. (c) We do not offer interest rate reduction programs for Card Member receivables as the receivables are non-interest bearing. The following table provides information with respect to modified loans and receivables that defaulted during the periods presented and were modified in the twelve months prior to the payment default. A customer can miss up to three payments before being considered in default, depending on the terms of the modification program. For loans and receivables modified on or after January 1, 2023, the amounts of defaulted balances were immaterial for the three and nine months ended September 30, 2023. Three Months Ended September 30, 2024 Nine Months Ended September 30, 2024 Account Balance ( Millions ) (a) Interest Rate Reduction Term Extension Interest Rate Reduction and Term Extension Total Interest Rate Reduction Term Extension Interest Rate Reduction and Term Extension Total Card Member Loans Consumer $ 52 (b) $ — $ 52 $ 75 (b) $ — $ 75 Small Business 23 (b) — 23 33 (b) — 33 Corporate — (b) — — — (b) — — Card Member Receivables Consumer (c) $ 6 — 6 (c) $ 8 — 8 Small Business (c) 12 — 12 (c) 16 — 16 Corporate (c) — — — (c) — — — Other Loans — — 2 2 — — 2 2 Total $ 75 $ 18 $ 2 $ 95 $ 108 $ 24 $ 2 $ 134 (a) Represents the outstanding balances as of September 30, 2024 of all modifications that defaulted in the three and nine months ended September 30, 2024, respectively, and were modified in the twelve months prior to payment default. The outstanding balances include principal, fees and accrued interest on loans and principal and fees on receivables. (b) For Card Member loans, we generally do not offer payment term extensions. (c) We do not offer interest rate reduction programs for Card Member receivables as the receivables are non-interest bearing. The following table provides information relating to the performance of loans and receivables that were modified during the prior twelve months and that remain in modification programs as of, or that defaulted on or before, September 30, 2024: As of September 30, 2024 Account Balances ( Millions ) (a) Current 30-89 Days Past Due 90+ Days Past Due Card Member Loans Consumer $ 1,647 $ 124 $ 48 Small Business 556 59 23 Corporate — — — Card Member Receivables: Consumer 261 19 6 Small Business 386 41 14 Corporate 11 3 2 Other Loans 78 6 2 Total $ 2,939 $ 252 $ 95 (a) The outstanding balance as of September 30, 2024 includes principal, fees and accrued interest on loans and principal and fees on receivables. The following table provides information relating to the performance of loans and receivables that were modified on or after January 1, 2023 and that remained in modification programs as of, or that defaulted on or before, September 30, 2023: As of September 30, 2023 Account Balances ( Millions ) (a) Current 30-89 Days Past Due 90+ Days Past Due Card Member Loans Consumer $ 1,020 $ 73 $ 20 Small Business 366 34 11 Corporate — — — Card Member Receivables: Consumer 257 20 5 Small Business 402 43 10 Corporate 9 2 1 Other Loans 42 4 1 Total $ 2,096 $ 176 $ 48 (a) The outstanding balance as of September 30, 2023 includes principal, fees and accrued interest on loans and principal and fees on receivables.

Reserves for Credit Losses

Reserves for Credit Losses	9 Months Ended
Reserves for Credit Losses	Sep. 30, 2024
Credit Loss [Abstract]
Reserves for Credit Losses	Reserves for Credit Losses Reserves for credit losses represent our best estimate of the expected credit losses in our outstanding portfolio of Card Member loans and receivables as of the balance sheet date. The CECL methodology requires us to estimate lifetime expected credit losses by incorporating historical loss experience, as well as current and future economic conditions over a reasonable and supportable period (R&S Period), which is approximately three years, beyond the balance sheet date. We make various judgments combined with historical loss experience to determine a reserve rate that is applied to the outstanding loan or receivable balance to produce a reserve for expected credit losses. We use a combination of statistically-based models that incorporate current and future economic conditions throughout the R&S Period. The process of estimating expected credit losses is based on several key models: Probability of Default (PD), Exposure at Default (EAD), and future recoveries for each month of the R&S Period. Beyond the R&S Period, we estimate expected credit losses by immediately reverting to long-term average loss rates. • PD models are used to estimate the likelihood an account will be written-off. • EAD models are used to estimate the balance of an account at the time of write-off. This includes balances less expected repayments based on historical payment and revolve behavior, which vary by customer. Due to the nature of revolving loan portfolios, the EAD models are complex and involve assumptions regarding the relationship between future spend and payment behaviors. • Recovery models are used to estimate amounts that are expected to be received from Card Members after default occurs, typically as a result of collection efforts. Future recoveries are estimated taking into consideration the time of default, time elapsed since default and macroeconomic conditions. We also estimate the likelihood and magnitude of recovery of previously written off accounts considering how long ago the account was written off and future economic conditions, even if such expected recoveries exceed expected losses. Our models are developed using historical loss experience covering the economic cycle and consider the impact of account characteristics on expected losses. This history includes the performance of loans and receivables modifications for borrowers experiencing financial difficulty, including their subsequent defaults. Future economic conditions that are incorporated over the R&S Period include multiple macroeconomic scenarios provided to us by an independent third party. Management reviews these economic scenarios each period and assigns probability weights to each scenario, generally with a consistent initial distribution. At times, due to macroeconomic uncertainty and volatility, management may apply judgment and assign different probability weights to scenarios. These macroeconomic scenarios contain certain variables, including unemployment rates and real gross domestic product (GDP), that are significant to our models. We also evaluate whether to include qualitative reserves to cover losses that are expected but, in our assessment, may not be adequately represented in the quantitative methods or the economic assumptions. We consider whether to adjust the quantitative reserves (higher or lower) to address possible limitations within the models or factors not included within the models, such as external conditions, emerging portfolio trends, the nature and size of the portfolio, portfolio concentrations, the volume and severity of past due accounts, or management risk actions. Lifetime losses for most of our loans and receivables are evaluated at an appropriate level of granularity, including assessment on a pooled basis where financial assets share similar risk characteristics, such as past spend and remittance behaviors, credit bureau scores where available, delinquency status, tenure of balance outstanding, amongst others. Credit losses on accrued interest are measured and presented as part of Reserves for credit losses on the Consolidated Balance Sheets and within the Provisions for credit losses in the Consolidated Statements of Income, rather than reversing interest income. Separate models are used for accounts deemed a troubled debt restructuring, which are measured individually and incorporate a discounted cash flow model. Loans and receivable balances are written off when we consider amounts to be uncollectible, which is generally determined by the number of days past due and is typically no later than 180 days past due for pay in full or revolving loans and 120 days past due for term loans. Loans and receivables in bankruptcy or owed by deceased individuals are generally written off upon notification. The following table reflects the range of macroeconomic scenario key variables used, in conjunction with other inputs, to calculate reserves for credit losses: U.S. Unemployment Rate U.S. GDP Growth (Contraction) (a) September 30, 2024 December 31, 2023 September 30, 2024 December 31, 2023 Third quarter of 2024 4% 3% - 7% 2% 4% - (3)% Fourth quarter of 2024 4% - 6% 3% - 8% 4% - (3)% 3% - 1% Fourth quarter of 2025 3% - 8% 3% - 7% 3% - 1% 2% Fourth quarter of 2026 3% - 7% 3% - 6% 3% - 2% 3% - 2% (a) Real GDP quarter over quarter percentage change seasonally adjusted to annualized rates. Changes in Card Member Loans Reserve for Credit Losses Card Member loans reserve for credit losses increased for both the three and nine months ended September 30, 2024, primarily driven by increases in loans outstanding. Card Member loans reserve for credit losses increased for both the three and nine months ended September 30, 2023, primarily driven by increases in loans outstanding and higher delinquencies. The following table presents changes in the Card Member loans reserve for credit losses for the three and nine months ended September 30: Three Months Ended September 30, Nine Months Ended September 30, (Millions) 2024 2023 2024 2023 Beginning Balance $ 5,321 $ 4,390 $ 5,118 $ 3,747 Provisions (a) 1,114 982 3,098 2,691 Net write-offs (b) Principal (701) (525) (2,159) (1,412) Interest and fees (152) (114) (462) (310) Other (c) 6 (12) (7) 5 Ending Balance $ 5,588 $ 4,721 $ 5,588 $ 4,721 (a) Provisions for principal, interest and fee reserve components. Provisions for credit losses includes reserve build (release) and replenishment for net write-offs. (b) Principal write-offs are presented less recoveries of $192 million and $138 million for the three months ended September 30, 2024 and 2023, respectively, and $530 million and $396 million for the nine months ended September 30, 2024 and 2023, respectively. Recoveries of interest and fees were not significant. (c) Primarily includes foreign currency translation adjustments. Changes in Card Member Receivables Reserve for Credit Losses Card Member receivables reserve for credit losses decreased for both the three and nine months ended September 30, 2024 primarily driven by decreases in receivables outstanding. Card Member receivables reserve for credit losses decreased for both the three and nine months ended September 30, 2023, primarily driven by lower delinquencies. The following table presents changes in the Card Member receivables reserve for credit losses for the three and nine months ended September 30: Three Months Ended September 30, Nine Months Ended September 30, (Millions) 2024 2023 2024 2023 Beginning Balance $ 171 $ 210 $ 174 $ 229 Provisions (a) 170 206 592 658 Net write-offs (b) (187) (241) (609) (714) Other (c) 2 (1) (1) 1 Ending Balance $ 156 $ 174 $ 156 $ 174 (a) Provisions for principal and fee reserve components. Provisions for credit losses includes reserve build (release) and replenishment for net write-offs. (b) Net write-offs are presented less recoveries of $74 million and $73 million for the three months ended September 30, 2024 and 2023, respectively, and $228 million and $218 million for the nine months ended September 30, 2024 and 2023, respectively. (c) Primarily includes foreign currency translation adjustments.

Investment Securities

Investment Securities	9 Months Ended
Investment Securities	Sep. 30, 2024
Investments, Debt and Equity Securities [Abstract]
Investment Securities	Investment Securities Investment securities principally include available-for-sale debt securities carried at fair value on the Consolidated Balance Sheets. Unrealized losses attributable to credit deterioration are recorded in the Consolidated Statements of Income in Other loans Provision for credit losses. Unrealized gains and any portion of a security’s unrealized loss attributable to non-credit losses are recorded in the Consolidated Statements of Comprehensive Income, net of tax. We had accrued interest on our available-for-sale debt securities totaling $3 million and $5 million as of September 30, 2024 and December 31, 2023, respectively, presented as Other assets on the Consolidated Balance Sheets. Investment securities also include equity securities carried at fair value on the Consolidated Balance Sheets with unrealized gains and losses recorded in the Consolidated Statements of Income as Other, net expense. Realized gains and losses are recognized upon disposition of the securities using the specific identification method and recorded in the Consolidated Statements of Income as Other, net expense. The following is a summary of investment securities as of September 30, 2024 and December 31, 2023: 2024 2023 Description of Securities (Millions) Cost Gross Gross Estimated Cost Gross Gross Estimated Available-for-sale debt securities: State and municipal obligations $ 57 $ 1 $ (8) $ 50 $ 61 $ — $ (6) $ 55 U.S. Government agency obligations 4 — — 4 4 — — 4 U.S. Government treasury obligations 270 1 (2) 269 1,217 1 (12) 1,206 Mortgage-backed securities (a) 11 — — 11 12 — (1) 11 Foreign government bonds and obligations 817 — — 817 770 — — 770 Other (b) 74 — — 74 74 — — 74 Equity securities (c) 50 — (7) 43 60 16 (10) 66 Total $ 1,283 $ 2 $ (17) $ 1,268 $ 2,198 $ 17 $ (29) $ 2,186 (a) Represents mortgage-backed securities guaranteed by Fannie Mae, Freddie Mac or Ginnie Mae. (b) Represents investments in debt securities issued by Community Development Financial Institutions. (c) Equity securities comprise investments in common stock and mutual funds. The following table provides information about our available-for-sale debt securities with gross unrealized losses and the length of time that individual securities have been in a continuous unrealized loss position as of September 30, 2024 and December 31, 2023: 2024 2023 Less than 12 months 12 months or more Less than 12 months 12 months or more Description of Securities ( Millions ) Estimated Fair Value Gross Estimated Fair Value Gross Estimated Fair Value Gross Estimated Fair Value Gross State and municipal obligations $ — $ — $ 23 $ (8) $ — $ — $ 33 $ (6) U.S. Government treasury obligations — — 122 (2) — — 1,114 (12) Mortgage-backed securities — — — — — — 7 (1) Total $ — $ — $ 145 $ (10) $ — $ — $ 1,154 $ (19) The gross unrealized losses on our available-for-sale debt securities are primarily attributable to an increase in the current benchmark interest rate. Overall, for the available-for-sale debt securities in gross unrealized loss positions, (i) we do not intend to sell the securities, (ii) it is more likely than not that we will not be required to sell the securities before recovery of the unrealized losses, and (iii) we expect that the contractual principal and interest will be received on the securities. We concluded that there was no credit loss attributable to the securities in an unrealized loss position for the periods presented. The following table summarizes the gross unrealized losses for available-for-sale debt securities by ratio of fair value to amortized cost as of September 30, 2024 and December 31, 2023: Less than 12 months 12 months or more Total Ratio of Fair Value to Amortized Cost ( Dollars in millions ) Number of Estimated Gross Number of Estimated Gross Number of Estimated Gross 2024: 90–100% — $ — $ — 7 $ 129 $ (2) 7 $ 129 $ (2) Less than 90% — $ — $ — 3 $ 16 $ (8) 3 $ 16 $ (8) Total as of September 30, 2024 — $ — $ — 10 $ 145 $ (10) 10 $ 145 $ (10) 2023: 90–100% — $ — $ — 69 $ 1,140 $ (14) 69 $ 1,140 $ (14) Less than 90% — $ — $ — 2 $ 14 $ (5) 2 $ 14 $ (5) Total as of December 31, 2023 — $ — $ — 71 $ 1,154 $ (19) 71 $ 1,154 $ (19) Contractual maturities for available-for-sale debt securities with stated maturities as of September 30, 2024 were as follows: (Millions) Cost Estimated Due within 1 year $ 867 $ 867 Due after 1 year but within 5 years 285 284 Due after 5 years but within 10 years 32 33 Due after 10 years 49 41 Total $ 1,233 $ 1,225 The expected payments on state and municipal obligations, U.S. Government agency obligations and mortgage-backed securities may not coincide with their contractual maturities because the issuers have the right to call or prepay certain obligations.

Asset Securitizations

Asset Securitizations	9 Months Ended
Asset Securitizations	Sep. 30, 2024
Asset Securitizations [Abstract]
Asset Securitizations	Asset Securitizations We periodically securitize Card Member loans and receivables arising from our card businesses through the transfer of those assets to securitization trusts, American Express Credit Account Master Trust (the Lending Trust) and American Express Issuance Trust II (the Charge Trust and together with the Lending Trust, the Trusts). The Trusts then issue debt securities collateralized by the transferred assets to third-party investors. The Trusts are considered VIEs as they have insufficient equity at risk to finance their activities, which are to issue debt securities that are collateralized by the underlying Card Member loans and receivables. We perform the servicing and key decision making for the Trusts, and therefore have the power to direct the activities that most significantly impact the Trusts’ economic performance, which are the collection of the underlying Card Member loans and receivables. In addition, we hold all of the variable interests in both Trusts, with the exception of the debt securities issued to third-party investors. Our ownership of variable interests for the Lending Trust was $10.5 billion and $15.3 billion as of September 30, 2024 and December 31, 2023, respectively, and for the Charge Trust was $4.5 billion and $4.6 billion as of September 30, 2024 and December 31, 2023, respectively. These variable interests held by us provide us with the right to receive benefits and the obligation to absorb losses, which could be significant to both the Lending Trust and the Charge Trust. Based on these considerations, we are the primary beneficiary of the Trusts and therefore consolidate the Trusts. Restricted cash and cash equivalents held by the Lending Trust was $101 million and $66 million as of September 30, 2024 and December 31, 2023, respectively, and for the Charge Trust was nil as of both September 30, 2024 and December 31, 2023. These amounts relate to collections of Card Member loans and receivables to be used by the Trusts to fund future expenses and obligations, including interest on debt securities, credit losses and upcoming debt maturities. Under the respective terms of the Lending Trust and the Charge Trust agreements, the occurrence of certain triggering events associated with the performance of the assets of each Trust could result in payment of trust expenses, establishment of reserve funds, or, in a worst-case scenario, early amortization of debt securities. During the nine months ended September 30, 2024 and the year ended December 31, 2023, no such triggering events occurred.

Customer Deposits

Customer Deposits	9 Months Ended
Customer Deposits	Sep. 30, 2024
Deposits [Abstract]
Customer Deposits	Customer Deposits As of September 30, 2024 and December 31, 2023, customer deposits were categorized as interest-bearing or non-interest-bearing as follows: (Millions) 2024 2023 U.S.: Interest-bearing $ 134,476 $ 128,146 Non-interest-bearing (includes Card Member credit balances of: 2024, $483; 2023, $495) 532 557 Non-U.S.: Interest-bearing 17 12 Non-interest-bearing (includes Card Member credit balances of: 2024, $410; 2023, $426) 413 429 Total customer deposits $ 135,438 $ 129,144 Customer deposits by deposit type as of September 30, 2024 and December 31, 2023 were as follows: (Millions) 2024 2023 U.S. interest-bearing deposits: Savings accounts $ 105,465 $ 92,324 Checking accounts 1,839 1,398 Certificates of deposit: Direct 4,882 5,557 Third-party (brokered) 6,851 12,960 Sweep accounts – Third-party (brokered) 15,439 15,907 Total U.S. interest-bearing deposits $ 134,476 $ 128,146 Other deposits 69 77 Card Member credit balances 893 921 Total customer deposits $ 135,438 $ 129,144 The scheduled maturities of certificates of deposit as of September 30, 2024 were as follows: (Millions) 2024 2025 2026 2027 2028 After 5 Years Total Certificates of deposit (a) $ 1,810 $ 6,575 $ 1,453 $ 1,001 $ 701 $ 204 $ 11,744 (a) Includes $11 million of non-U.S. direct certificates of deposit as of September 30, 2024. As of September 30, 2024 and December 31, 2023, certificates of deposit in denominations that met or exceeded the insured limit were $1.6 billion and $1.8 billion, respectively.

Contingencies

Contingencies	9 Months Ended
Contingencies	Sep. 30, 2024
Commitments and Contingencies Disclosure [Abstract]
Contingencies	Contingencies In the ordinary course of business, we and our subsidiaries are subject to various pending and potential legal actions, arbitration proceedings, claims, investigations, examinations, regulatory proceedings, information gathering requests, subpoenas, inquiries and matters relating to compliance with laws and regulations (collectively, legal proceedings). Based on our current knowledge, and taking into consideration our litigation-related liabilities, we do not believe we are a party to, nor are any of our properties the subject of, any legal proceeding that would have a material adverse effect on our consolidated financial condition or liquidity. However, in light of the uncertainties involved in such matters, including the fact that some pending legal proceedings are at preliminary stages or seek an indeterminate amount of damages, it is possible that the outcome of legal proceedings could have a material impact on our results of operations. Certain legal proceedings involving us or our subsidiaries are described below. On September 30, 2024, we were named as a defendant in a case filed in the United States District Court for the District of Massachusetts, captioned Pizza Hazel, Inc., et al. v. American Express Co., et al., in which plaintiffs allege that the anti-steering and non-discrimination provisions in our merchant agreements violate federal antitrust law and that the arbitration provision in our merchant agreements violates federal antitrust law to the extent it prevents antitrust challenges to our anti-steering and non-discrimination provisions. Plaintiffs seek, on behalf of themselves and a class of merchants that accept through the OptBlue Program, unspecified damages and an injunction prohibiting us from enforcing our anti-steering and non-discrimination provisions and prohibiting us from enforcing our arbitration provision to the extent it prevents antitrust challenges to our anti-steering and non-discrimination provisions. On March 21, 2024, we were named as a defendant in a case filed in the United States District Court for the District of Rhode Island, captioned 5-Star General Store aka Bento LLC, et al. v. American Express Co., et al. , in which plaintiffs allege that the anti-steering and non-discrimination provisions in our merchant agreements violate federal antitrust law and seek, on behalf of themselves and a class of merchants, an injunction prohibiting us from enforcing our anti-steering and non-discrimination provisions and a declaration that we have violated antitrust laws. On January 29, 2019, we were named in a putative class action brought in the United States District Court for the Eastern District of New York, captioned Anthony Oliver, et al. v. American Express Company and American Express Travel Related Services Company Inc. , in which the plaintiffs are holders of MasterCard, Visa and/or Discover credit and/or debit cards (but not American Express cards) and allege they paid higher prices as a result of the anti-steering and non-discrimination provisions in our merchant agreements in violation of federal antitrust law and the antitrust and consumer laws of various states. Plaintiffs seek unspecified damages and other forms of relief. The court dismissed plaintiffs’ federal antitrust claim, numerous state antitrust and consumer protection claims and their unjust enrichment claim. For the remaining state antitrust or consumer protection claims, the court certified classes for (i) holders of Visa and MasterCard debit cards in eight states and Washington, D.C.; and (ii) holders of Visa, MasterCard and Discover credit cards that do not offer rewards or charge an annual fee in two states and Washington, D.C. On March 8, 2016, plaintiffs B&R Supermarket, Inc. d/b/a Milam’s Market and Grove Liquors LLC, on behalf of themselves and others, filed a suit, captioned B&R Supermarket, Inc. d/b/a Milam’s Market, et al. v. Visa Inc., et al. , for violations of the Sherman Antitrust Act, the Clayton Antitrust Act, California’s Cartwright Act and unjust enrichment in the United States District Court for the Northern District of California, against American Express Company, other credit and charge card networks, other issuing banks and EMVCo, LLC. Plaintiffs allege that the defendants, through EMVCo, conspired to shift liability for fraudulent, faulty and otherwise rejected consumer credit card transactions from themselves to merchants after the implementation of EMV chip payment terminals. Plaintiffs seek damages and injunctive relief. An amended complaint was filed on July 15, 2016. On September 30, 2016, the court denied our motion to dismiss as to claims brought by merchants who do not accept American Express cards, and on May 4, 2017, the California court transferred the case to the United States District Court for the Eastern District of New York. On August 28, 2020, the court granted plaintiffs’ motion for class certification. In July 2004, we were named as a defendant in a putative class action filed in the Southern District of New York and subsequently transferred to the Eastern District of New York, captioned The Marcus Corporation v. American Express Co., et al. , in which the plaintiffs allege an unlawful antitrust tying arrangement between certain of our charge cards and credit cards in violation of various state and federal laws. The plaintiffs in this action seek injunctive relief and an unspecified amount of damages. In 2006, Mawarid Investments Limited filed a request for confidential arbitration under the 1998 London Court of International Arbitration Rules in connection with certain claims arising under a shareholders agreement between Mawarid and American Express Travel Related Services Company, Inc. relating to a joint venture between the parties, Amex (Middle East) BSC(c) (AEME). In 2008, the tribunal rendered a partial award, including a direction that an audit should take place to verify whether acquirer discount revenue related to transactions occurring with airlines located in the Middle East region had been properly allocated to AEME since its inception in 1992. In September 2021, the tribunal rendered a further partial award regarding the location of transactions through non-physical channels. In May 2022, the tribunal further clarified the 2021 partial award and the discount rate that should apply to transactions through non-physical channels. In May 2020, we began responding to a review by the Office of the Comptroller of the Currency (OCC) and the Department of Justice (DOJ) Civil Division regarding historical sales practices relating to sales to small business customers in the United States. In January 2021, we received a grand jury subpoena from the United States Attorney’s Office for the Eastern District of New York (EDNY) regarding these sales practices issues, as well as a Civil Investigative Demand from the Consumer Financial Protection Bureau (CFPB) pertaining to its investigation into sales practices related to consumers. We have also been made aware of a related investigation by the New York Department of Financial Services (NYDFS) and have provided information regarding these sales practices issues to The Board of Governors of the Federal Reserve System (Federal Reserve). In January 2023, the CFPB notified us that its investigation was completed and that it did not intend to recommend an enforcement action be taken against us at that time. In July 2023, we reached a settlement with the OCC to resolve its review of historical sales practices to certain U.S. small business card customers that occurred between 2015 and 2017. The DOJ, EDNY and NYDFS investigations are ongoing, and we are cooperating with all inquiries. We are also engaged in discussions with the Federal Reserve to resolve its review of this matter. We are being challenged in a number of countries regarding our application of value-added taxes (VAT) to certain of our international transactions, which are in various stages of audit, or are being contested in legal actions. While we believe we have complied with all applicable tax laws, rules and regulations in the relevant jurisdictions, the tax authorities may determine that we owe additional VAT. In certain jurisdictions where we are contesting the assessments, we were required to pay the VAT assessments prior to contesting. Our legal proceedings range from cases brought by a single plaintiff to class actions with millions of putative class members to governmental proceedings. These legal proceedings involve various lines of business and a variety of claims (including, but not limited to, common law tort, contract, application of tax laws, antitrust and consumer protection claims), some of which present novel factual allegations and/or unique legal theories. While some matters pending against us specify the damages sought, many seek an unspecified amount of damages or are at very early stages of the legal process. Even when the amount of damages claimed against us are stated, the claimed amount may be exaggerated and/or unsupported. As a result, some matters have not yet progressed sufficiently through discovery and/or development of important factual information and legal issues to enable us to estimate an amount of loss or a range of possible loss, while other matters have progressed sufficiently such that we are able to estimate an amount of loss or a range of possible loss. We have accrued for certain of our outstanding legal proceedings. An accrual is recorded when it is both (a) probable that a loss has occurred and (b) the amount of loss can be reasonably estimated. There may be instances in which an exposure to loss exceeds the accrual. We evaluate, on a quarterly basis, developments in legal proceedings that could cause an increase or decrease in the amount of the accrual that has been previously recorded, or a revision to the disclosed estimated range of possible losses, as applicable. For those disclosed legal proceedings where a loss is reasonably possible in future periods, whether in excess of a recorded accrual for legal or tax contingencies, or where there is no such accrual, and for which we are able to estimate a range of possible loss, the current estimated range is zero to $450 million in excess of any accruals related to those matters. This range represents management’s estimate based on currently available information and does not represent our maximum loss exposure; actual results may vary significantly. As such legal proceedings evolve, we may need to increase our range of possible loss or recorded accruals. In addition, it is possible that significantly increased merchant steering or other actions impairing the Card Member experience as a result of an adverse resolution in one or any combination of the disclosed merchant cases could have a material adverse effect on our business and results of operations.

Derivatives and Hedging Activit

Derivatives and Hedging Activities	9 Months Ended
Derivatives and Hedging Activities	Sep. 30, 2024
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivatives and Hedging Activities	Derivatives and Hedging Activities We use derivative financial instruments to manage exposures to various market risks. These instruments derive their value from an underlying variable or multiple variables, including interest rates and foreign exchange rates, and are carried at fair value on the Consolidated Balance Sheets. These instruments enable end users to increase, reduce or alter exposure to various market risks and, for that reason, are an integral component of our market risk management. We do not transact in derivatives for trading purposes. A majority of our derivative assets and liabilities as of September 30, 2024 and December 31, 2023 are subject to master netting agreements with our derivative counterparties. Accordingly, where appropriate, we have elected to present derivative assets and liabilities with the same counterparty on a net basis in the Consolidated Balance Sheets. In relation to our credit risk, certain of our bilateral derivative agreements include provisions that allow our counterparties to terminate the relevant agreement in the event of a downgrade of our debt credit rating below investment grade and settle the outstanding net liability position. As of September 30, 2024, these derivatives were not in a material net liability position. Based on our assessment of the credit risk of our derivative counterparties and our own credit risk as of September 30, 2024 and December 31, 2023, no credit risk adjustment to the derivative portfolio was required. The following table summarizes the total fair value, excluding interest accruals, of derivative assets and liabilities as of September 30, 2024 and December 31, 2023: Other Assets Fair Value Other Liabilities Fair Value (Millions) 2024 2023 2024 2023 Derivatives designated as hedging instruments: Fair value hedges - Interest rate contracts (a) $ — $ — $ 19 $ 99 Net investment hedges - Foreign exchange contracts 186 9 319 455 Total derivatives designated as hedging instruments 186 9 338 554 Derivatives not designated as hedging instruments: Foreign exchange contracts and other 185 71 420 423 Total derivatives, gross 371 80 758 977 Derivative asset and derivative liability netting (b) (234) (57) (234) (57) Cash collateral netting (c) — — (30) (106) Total derivatives, net $ 137 $ 23 $ 494 $ 814 (a) For our centrally cleared derivatives, variation margin payments are legally characterized as settlement payments as opposed to collateral. (b) Represents the amount of netting of derivative assets and derivative liabilities executed with the same counterparty under an enforceable master netting arrangement. (c) Represents the offsetting of the fair value of bilateral interest rate contracts and certain foreign exchange contracts with the right to cash collateral held from the counterparty or cash collateral posted with the counterparty. We posted $405 million and $175 million as of September 30, 2024 and December 31, 2023, respectively, as initial margin on our centrally cleared interest rate swaps; such amounts are recorded within Other assets on the Consolidated Balance Sheets and are not netted against the derivative balances. Fair Value Hedges We are exposed to interest rate risk associated with our fixed-rate debt obligations. At the time of issuance, certain fixed-rate long-term debt obligations are designated in fair value hedging relationships, using interest rate swaps, to economically convert the fixed interest rate to a floating interest rate. We had $19.6 billion and $11.7 billion of fixed-rate debt obligations designated in fair value hedging relationships as of September 30, 2024 and December 31, 2023, respectively. The following table presents the gains and losses recognized in Interest expense on the Consolidated Statements of Income associated with the fair value hedges of our fixed-rate long-term debt for the three and nine months ended September 30: Gains (losses) Three Months Ended Nine Months Ended (Millions) 2024 2023 2024 2023 Fixed-rate long-term debt $ (554) $ 52 $ (481) $ 14 Derivatives designated as hedging instruments 550 (52) 476 (15) Total $ (4) $ — $ (5) $ (1) The carrying values of the hedged liabilities, recorded within Long-term debt on the Consolidated Balance Sheets, were $20.0 billion and $11.7 billion as of September 30, 2024 and December 31, 2023, respectively, including the cumulative amount of fair value hedging adjustments of $534 million and $53 million for the respective periods. We recognized in Interest expense on Long-term debt net increases of $82 million and $47 million for the three months ended September 30, 2024 and 2023, respectively, and net increases of $214 million and $130 million for the nine months ended September 30, 2024 and 2023, respectively, primarily related to the net settlements including interest accruals on our interest rate derivatives designated as fair value hedges. Net Investment Hedges We primarily designate foreign currency derivatives as net investment hedges to reduce our exposure to changes in currency exchange rates on our investments in non-U.S. subsidiaries. We had notional amounts of approximately $14.5 billion and $14.1 billion of foreign currency derivatives designated as net investment hedges as of September 30, 2024 and December 31, 2023, respectively. The gain or loss on net investment hedges, net of taxes, recorded in Accumulated other comprehensive income (loss) (AOCI) as part of the cumulative translation adjustment, was a loss of $96 million and a gain of $244 million for the three months ended September 30, 2024 and 2023, respectively, and a gain of $187 million and a loss of $261 million for the nine months ended September 30, 2024 and 2023, respectively. Net investment hedge reclassifications out of AOCI into the Consolidated Statements of Income were not significant for any of the three and the nine months ended September 30, 2024 and 2023. Derivatives Not Designated as Hedges The changes in the fair value of derivatives that are not designated as hedges are primarily intended to offset the related foreign exchange gains or losses of the underlying foreign currency exposures. We had notional amounts of approximately $28.4 billion and $25.3 billion as of September 30, 2024 and December 31, 2023, respectively. The changes in the fair value of the derivatives and the related underlying foreign currency exposures resulted in net gains of $24 million and $26 million for the three months ended September 30, 2024 and 2023, respectively, and net gains of $67 million and $56 million for the nine months ended September 30, 2024 and 2023, respectively, that are recognized in Other, net expenses in the Consolidated Statements of Income. Our embedded derivative related to seller earnout shares granted to us upon the completion of a business combination in the second quarter of 2022 between our equity method investee, American Express Global Business Travel, and Apollo Strategic Growth Capital had a notional amount of $78 million as of both September 30, 2024 and December 31, 2023. The changes in the fair value of the embedded derivative resulted in a gain of $5 million and a loss of $12 million for the three months ended September 30, 2024 and 2023, respectively, and a gain of $4 million and a loss of $12 million for the nine months ended September 30, 2024 and 2023, respectively, which were recognized in Service fees and other revenue in the Consolidated Statements of Income.

Fair Values

Fair Values	9 Months Ended
Fair Values	Sep. 30, 2024
Fair Value Disclosures [Abstract]
Fair Values	Fair Values Financial Assets and Financial Liabilities Carried at Fair Value The following table summarizes our financial assets and financial liabilities measured at fair value on a recurring basis, categorized by GAAP’s fair value hierarchy, as of September 30, 2024 and December 31, 2023: 2024 2023 (Millions) Total Level 1 Level 2 Level 3 Total Level 1 Level 2 Level 3 Assets: Investment securities: (a) Equity securities $ 43 $ 43 $ — $ — $ 66 $ 66 $ — $ — Debt securities 1,225 — 1,151 74 2,120 — 2,046 74 Derivatives, gross (a)(b) 371 — 349 22 80 — 62 18 Total Assets 1,639 43 1,500 96 2,266 66 2,108 92 Liabilities: Derivatives, gross (a) 758 — 758 — 977 — 977 — Total Liabilities $ 758 $ — $ 758 $ — $ 977 $ — $ 977 $ — (a) Refer to Note 4 for the fair values of investment securities and to Note 8 for the fair values of derivative assets and liabilities on a further disaggregated basis. (b) Level 3 fair value reflects an embedded derivative. Management reviews and applies judgment to the valuation of the embedded derivative that is performed by an independent third party using a Monte Carlo simulation that models a range of probable future stock prices based on implied volatility in a risk neutral framework. Refer to Note 8 for additional information about this embedded derivative. Financial Assets and Financial Liabilities Carried at Other Than Fair Value The following table summarizes the estimated fair values of our financial assets and financial liabilities that are measured at amortized cost, and not required to be carried at fair value on a recurring basis, as of September 30, 2024 and December 31, 2023. The fair values of these financial instruments are estimates based upon the market conditions and perceived risks as of September 30, 2024 and December 31, 2023, and require management’s judgment. These figures may not be indicative of future fair values, nor can the fair value of American Express be estimated by aggregating the amounts presented. Carrying Corresponding Fair Value Amount 2024 (Billions) Total Level 1 Level 2 Level 3 Financial Assets: Financial assets for which carrying values equal or approximate fair value Cash and cash equivalents (a) $ 48 $ 48 $ 47 $ 1 $ — Other financial assets (b) 62 62 — 62 — Financial assets carried at other than fair value Card Member and Other loans, less reserves (c) 137 143 — — 143 Financial Liabilities: Financial liabilities for which carrying values equal or approximate fair value 151 151 — 151 — Financial liabilities carried at other than fair value Certificates of deposit (d) 12 12 — 12 — Long-term debt (c) $ 54 $ 54 $ — $ 54 $ — Carrying Corresponding Fair Value Amount 2023 (Billions) Total Level 1 Level 2 Level 3 Financial Assets: Financial assets for which carrying values equal or approximate fair value Cash and cash equivalents (a) $ 47 $ 47 $ 45 $ 2 $ — Other financial assets (b) 63 63 — 63 — Financial assets carried at other than fair value Card Member and Other loans, less reserves (c) 128 133 — — 133 Financial Liabilities: Financial liabilities for which carrying values equal or approximate fair value 143 143 — 143 — Financial liabilities carried at other than fair value Certificates of deposit (d) 19 18 — 18 — Long-term debt (c) $ 48 $ 48 $ — $ 48 $ — (a) Level 2 fair value amounts reflect time deposits and short-term investments. (b) Balances include Card Member receivables (including fair values of Card Member receivables of $4.5 billion and $4.6 billion held by a consolidated VIE as of September 30, 2024 and December 31, 2023, respectively), other receivables and other miscellaneous assets. (c) Balances include amounts held by a consolidated VIE for which the fair values of Card Member loans were $27.0 billion and $28.6 billion as of September 30, 2024 and December 31, 2023, respectively, and the fair values of Long-term debt were $16.8 billion and $13.3 billion as of September 30, 2024 and December 31, 2023, respectively. (d) Presented as a component of Customer deposits on the Consolidated Balance Sheets. Nonrecurring Fair Value Measurements We have certain assets that are subject to measurement at fair value on a nonrecurring basis. For these assets, measurement at fair value in periods subsequent to their initial recognition is applicable if they are determined to be impaired or where there are observable price changes for equity investments without readily determinable fair values. We estimate the Level 3 fair value of equity investments without readily determinable fair values, which include investments in our Amex Ventures portfolio, based on price changes as of the date of new similar equity financing transactions completed by the companies in the portfolio. In addition, impairments on such investments are recorded to account for the difference between the estimated fair value and carrying value of an investment based on a qualitative assessment of impairment indicators such as business performance, general market conditions and the economic and regulatory environment. When an impairment triggering event occurs, the fair value measurement is generally derived by taking into account all available information, such as share prices of publicly traded peer companies, internal valuations performed by our investees, and other third-party fair value data. The fair value of impaired investments represents a Level 3 fair value measurement. The carrying value of equity investments without readily determinable fair values totaled $0.9 billion as of both September 30, 2024 and December 31, 2023, of which investments representing nonrecurring Level 3 fair value measurement were $13.0 million and nil as of September 30, 2024 and December 31, 2023, respectively. These amounts are included within Other assets on the Consolidated Balance Sheets. We recorded unrealized gains of $1 million and nil for the three months ended September 30, 2024 and 2023, respectively, and $68 million and nil for the nine months ended September 30, 2024 and 2023, respectively. Unrealized losses were $20 million and $17 million for the three months ended September 30, 2024 and 2023, respectively, and $31 million and $122 million for the nine months ended September 30, 2024 and 2023, respectively. Unrealized gains and losses are recorded in Other, net on the Consolidated Statements of Income. Since the adoption of new accounting guidance on the recognition and measurement of financial assets and financial liabilities on January 1, 2018, cumulative unrealized gains for equity investments without readily determinable fair values totaled $1.1 billion as of both September 30, 2024 and December 31, 2023, and cumulative unrealized losses were $456 million and $431 million as of September 30, 2024 and December 31, 2023, respectively. In addition, we also have certain equity investments measured at fair value using the net asset value practical expedient. Such investments were immaterial as of both September 30, 2024 and December 31, 2023.

Guarantees

Guarantees	9 Months Ended
Guarantees	Sep. 30, 2024
Guarantees [Abstract]
Guarantees	Guarantees The maximum potential undiscounted future payments and related liability resulting from guarantees and indemnifications provided by us in the ordinary course of business were $1 billion and $12 million, respectively, as of September 30, 2024 and $1 billion and $24 million, respectively, as of December 31, 2023, all of which were primarily related to our real estate arrangements and business dispositions. To date, we have not experienced any significant losses related to guarantees or indemnifications. Our recognition of these instruments is at fair value. In addition, we establish reserves when a loss is probable and the amount can be reasonably estimated.

Changes in Accumulated Other Co

Changes in Accumulated Other Comprehensive Income (Loss)	9 Months Ended
Changes in Accumulated Other Comprehensive Income (Loss)	Sep. 30, 2024
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Changes in Accumulated Other Comprehensive Income (Loss)	Changes in Accumulated Other Comprehensive Income (Loss) AOCI is comprised of items that have not been recognized in earnings but may be recognized in earnings in the future when certain events occur. Changes in each component for the three and nine months ended September 30, 2024 and 2023 were as follows: Three Months Ended September 30, 2024 (Millions), net of tax Net Unrealized Foreign Currency Translation Adjustment Gains (Losses), net of hedges (a) Net Unrealized Accumulated Other Balances as of June 30, 2024 $ (10) $ (2,707) $ (483) $ (3,200) Net change 4 1 — 5 Balances as of September 30, 2024 $ (6) $ (2,706) $ (483) $ (3,195) Nine Months Ended September 30, 2024 (Millions), net of tax Net Unrealized Foreign Currency Translation Adjustment Gains (Losses), net of hedges (a) Net Unrealized Accumulated Other Balances as of December 31, 2023 $ (14) $ (2,571) $ (487) $ (3,072) Net change 8 (135) 4 (123) Balances as of September 30, 2024 $ (6) $ (2,706) $ (483) $ (3,195) Three Months Ended September 30, 2023 (Millions), net of tax Net Unrealized Gains (Losses) on Debt Securities Foreign Currency Translation Adjustment Gains (Losses), net of hedges (a) Net Unrealized Accumulated Other Comprehensive Income (Loss) Balances as of June 30, 2023 $ (44) $ (2,569) $ (471) $ (3,084) Net change 14 (110) 4 (92) Balances as of September 30, 2023 $ (30) $ (2,679) $ (467) $ (3,176) Nine Months Ended September 30, 2023 (Millions), net of tax Net Unrealized Gains (Losses) on Debt Securities Foreign Currency Translation Adjustment Gains (Losses), net of hedges (a) Net Unrealized Accumulated Other Comprehensive Income (Loss) Balances as of December 31, 2022 $ (64) $ (2,622) $ (524) $ (3,210) Net change 34 (57) 57 34 Balances as of September 30, 2023 $ (30) $ (2,679) $ (467) $ (3,176) (a) Refer to Note 8 for additional information on hedging activity. The following table shows the tax impact for the three and nine months ended September 30 for the changes in each component of AOCI presented above: Tax expense (benefit) Three Months Ended Nine Months Ended (Millions) 2024 2023 2024 2023 Net unrealized gains on debt securities $ — $ 5 $ 2 $ 11 Foreign currency translation adjustment, net of hedges (26) 66 30 (32) Pension and other postretirement benefits (7) 6 (5) 6 Total tax impact $ (33) $ 77 $ 27 $ (15) Reclassifications out of AOCI into the Consolidated Statements of Income, net of taxes, for the three and nine months ended September 30, 2024 and 2023 were not significant.

Service Fees and Other Revenue

Service Fees and Other Revenue and Other Expenses	9 Months Ended
Service Fees and Other Revenue and Other Expenses	Sep. 30, 2024
Service Fees and Other Revenue and Other Expenses [Abstract]
Service Fees and Other Revenue and Other Expenses	Service Fees and Other Revenue and Other Expenses The following is a detail of Service fees and other revenue for the three and nine months ended September 30: Three Months Ended Nine Months Ended (Millions) 2024 2023 2024 2023 Service fees $ 370 $ 375 $ 1,197 $ 1,114 Foreign currency-related revenue 401 374 1,140 1,071 Delinquency fees 236 245 705 717 Travel commissions and fees 157 183 481 476 Other fees and revenues 103 84 316 333 Total Service fees and other revenue $ 1,267 $ 1,261 $ 3,839 $ 3,711 The following is a detail of Other expenses for the three and nine months ended September 30: Three Months Ended Nine Months Ended (Millions) 2024 2023 2024 2023 Data processing and equipment $ 725 $ 704 $ 2,083 $ 2,041 Professional services 579 477 1,576 1,384 Gain on sale of Accertify (a) — — (531) — Other 476 424 1,166 1,288 Total Other expenses $ 1,780 $ 1,605 $ 4,294 $ 4,713 (a) Refer to Note 1 for additional information.

Income Taxes

Income Taxes	9 Months Ended
Income Taxes	Sep. 30, 2024
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The effective tax rate was 21.8 percent and 20.9 percent for the three months ended September 30, 2024 and 2023, respectively, and 21.5 percent and 19.5 percent for the nine months ended September 30, 2024 and 2023, respectively. The higher effective tax rates for the three and nine month periods primarily reflected discrete tax benefits in the prior periods. We are under continuous examination by the Internal Revenue Service (IRS) and tax authorities in other countries and states in which we have significant business operations. The tax years under examination and open for examination vary by jurisdiction. We are currently under examination by the IRS for the 2017 and 2018 tax years. We believe it is reasonably possible that our unrecognized tax benefits could decrease within the next twelve months by as much as $102 million, principally as a result of potential resolutions of prior years’ tax items with various taxing authorities. The prior years’ tax items include unrecognized tax benefits relating to the deductibility of certain expenses or losses and the attribution of taxable income to a particular jurisdiction or jurisdictions. Of the $102 million of unrecognized tax benefits, approximately $81 million relates to amounts that, if recognized, would impact the effective tax rate in a future period. Tax Credit Investments As of September 30, 2024 and 2023, we had $1,558 million and $1,263 million in tax credit investments, respectively, included in Other assets on the Consolidated Balance Sheets, comprised of Low Income Housing Tax Credit investments and other qualifying investments. We account for such tax credit investments using the Proportional Amortization Method. The following table presents tax credit investment expenses and associated income tax credits and other income tax benefits for the three and nine months ended September 30: Three Months Ended Nine Months Ended (Millions) 2024 2023 2024 2023 Proportional amortization recognized in tax provision $ 48 $ 39 $ 143 $ 122 Income tax credits and Other income tax benefits (a) recognized in tax provision 51 49 164 153 (a) Other income tax benefits are a result of tax deductible expenses generated by our tax credit investments Income tax credits and other income tax benefits associated with our tax credit investments are also recognized in the Consolidated Statements of Cash Flows in the Operating activities section primarily under Accounts payable and other liabilities. Refer to Note 6 to our “Consolidated Financial Statements” in the 2023 Form 10-K for additional information on our tax credit investments for the year ended December 31, 2023.

Earnings Per Common Share (EPS)

Earnings Per Common Share (EPS)	9 Months Ended
Earnings Per Common Share (EPS)	Sep. 30, 2024
Earnings Per Share [Abstract]
Earnings Per Common Share (EPS)	Earnings Per Common Share (EPS) The computations of basic and diluted EPS for the three and nine months ended September 30 were as follows: Three Months Ended Nine Months Ended (Millions, except per share amounts) 2024 2023 2024 2023 Numerator: Basic and diluted: Net income $ 2,507 $ 2,451 $ 7,959 $ 6,441 Preferred dividends (15) (14) (44) (43) Net income available to common shareholders $ 2,492 $ 2,437 $ 7,915 $ 6,398 Earnings allocated to participating share awards (a) (18) (19) (59) (50) Net income attributable to common shareholders $ 2,474 $ 2,418 $ 7,856 $ 6,348 Denominator: (a) Basic: Weighted-average common stock 708 732 715 738 Add: Weighted-average stock options (b) 1 1 1 1 Diluted 709 733 716 739 Basic EPS $ 3.50 $ 3.30 $ 10.99 $ 8.60 Diluted EPS $ 3.49 $ 3.30 $ 10.97 $ 8.59 (a) Our unvested restricted stock awards, which include the right to receive non-forfeitable dividends or dividend equivalents, are considered participating securities. Calculations of EPS under the two-class method exclude from the numerator any dividends paid or owed on participating securities and any undistributed earnings considered to be attributable to participating securities. The related participating securities are similarly excluded from the denominator. (b) The dilutive effect of unexercised stock options excludes from the computation of EPS 0.1 million of options for both the three and nine months ended September 30, 2024 and 1.4 million of options for both the three and nine months ended September 30, 2023, because inclusion of the options would have been anti-dilutive.

Reportable Operating Segments

Reportable Operating Segments	9 Months Ended
Reportable Operating Segments	Sep. 30, 2024
Segment Reporting [Abstract]
Reportable Operating Segments	Reportable Operating Segments The following table presents certain selected financial information for our reportable operating segments and Corporate & Other: As of or for the Three Months Ended September 30, 2024 (Millions) USCS CS ICS GMNS Corporate & Other (a) Consolidated Total non-interest revenues $ 5,028 $ 3,304 $ 2,659 $ 1,667 $ (28) $ 12,630 Revenue from contracts with customers (b) 3,620 2,886 1,724 1,493 (7) 9,716 Interest income 3,722 1,142 588 11 686 6,149 Interest expense 806 448 311 (169) 747 2,143 Total revenues net of interest expense 7,944 3,998 2,936 1,847 (89) 16,636 Pretax income (loss) 1,659 908 455 991 (809) 3,204 Total assets $ 106,201 $ 59,716 $ 43,073 $ 17,739 $ 44,250 $ 270,979 For the Nine Months Ended September 30, 2024 (Millions) USCS CS ICS GMNS Corporate & Other (a) Consolidated Total non-interest revenues $ 14,823 $ 9,831 $ 7,644 $ 5,006 $ (39) $ 37,265 Revenue from contracts with customers (b) 10,785 8,603 4,983 4,505 (3) 28,873 Interest income 10,677 3,198 1,748 41 2,054 17,718 Interest expense 2,325 1,292 921 (543) 2,218 6,213 Total revenues net of interest expense 23,175 11,737 8,471 5,590 (203) 48,770 Pretax income (loss) $ 4,832 $ 2,691 $ 997 $ 3,545 $ (1,926) $ 10,139 As of or for the Three Months Ended September 30, 2023 (Millions) USCS CS ICS GMNS Corporate & Other (a) Consolidated Total non-interest revenues $ 4,680 $ 3,257 $ 2,390 $ 1,656 $ (44) $ 11,939 Revenue from contracts with customers (b) 3,464 2,864 1,558 1,499 (8) 9,377 Interest income 3,228 881 538 14 579 5,240 Interest expense 700 391 285 (181) 603 1,798 Total revenues net of interest expense 7,208 3,747 2,643 1,851 (68) 15,381 Pretax income (loss) 1,584 852 387 986 (709) 3,100 Total assets $ 98,218 $ 56,585 $ 38,553 $ 20,764 $ 36,467 $ 250,587 For the Nine Months Ended September 30, 2023 (Millions) USCS CS ICS GMNS Corporate & Other (a) Consolidated Total non-interest revenues $ 13,682 $ 9,665 $ 7,006 $ 4,927 $ (94) $ 35,186 Revenue from contracts with customers (b) 10,182 8,505 4,527 4,470 (28) 27,656 Interest income 8,937 2,379 1,502 42 1,571 14,431 Interest expense 1,898 1,076 770 (486) 1,643 4,901 Total revenues net of interest expense 20,721 10,968 7,738 5,455 (166) 44,716 Pretax income (loss) $ 3,964 $ 2,195 $ 829 $ 2,834 $ (1,821) $ 8,001 (a) Corporate & Other includes adjustments and eliminations for intersegment activity. (b) Includes discount revenue, certain service fees and other revenue and processed revenue from customers.

Pay vs Performance Disclosure

Pay vs Performance Disclosure - USD ($) $ in Millions	3 Months Ended		9 Months Ended
Pay vs Performance Disclosure - USD ($) $ in Millions	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Pay vs Performance Disclosure
Net Income (Loss)	$ 2,507	$ 2,451	$ 7,959	$ 6,441

Insider Trading Arrangements

Insider Trading Arrangements	3 Months Ended
Insider Trading Arrangements	Sep. 30, 2024
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

Basis of Presentation (Policies

Basis of Presentation (Policies)	9 Months Ended
Basis of Presentation (Policies)	Sep. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	The preparation of Consolidated Financial Statements in conformity with accounting principles generally accepted in the United States of America (GAAP) requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses, and the disclosures of contingent assets and liabilities. These accounting estimates reflect the best judgment of management, but actual results could differ.
Recently Issued Accounting Standards	Recently Issued Accounting Standards In November 2023, the Financial Accounting Standards Board issued updated accounting guidance for segment reporting, effective for annual reporting periods beginning after December 15, 2023 and for interim reporting periods beginning January 1, 2025. The updated guidance requires enhanced disclosures for significant expenses by reportable operating segment. Significant expense categories and amounts are those regularly provided to the chief operating decision maker (CODM) and included in the measure of a segment’s profit or loss. The updated guidance will also require us to disclose the title and position of our CODM, including an explanation of how our CODM uses the reported measure(s) of segment profit or loss in assessing segment performance and deciding how to allocate resources. We have completed our evaluation of the updated guidance and have determined it will not have a material impact to our Consolidated Financial Statements. In December 2023, the Financial Accounting Standards Board issued updated accounting guidance on Disclosures for Income Taxes, effective January 1, 2025, with early adoption permitted. The updated guidance requires additional disclosure and disaggregated information in the Income Tax Rate reconciliation using both percentages and reporting currency amounts, with additional qualitative explanations of individually significant reconciling items. The updated guidance also requires disclosure of the amount of income taxes paid (net of refunds received) disaggregated by jurisdictional categories (federal (national), state and foreign). We are currently assessing the updated guidance; however, it is not expected to have a material impact to our Consolidated Financial Statements.
Reserves for Credit Losses	Reserves for credit losses represent our best estimate of the expected credit losses in our outstanding portfolio of Card Member loans and receivables as of the balance sheet date. The CECL methodology requires us to estimate lifetime expected credit losses by incorporating historical loss experience, as well as current and future economic conditions over a reasonable and supportable period (R&S Period), which is approximately three years, beyond the balance sheet date. We make various judgments combined with historical loss experience to determine a reserve rate that is applied to the outstanding loan or receivable balance to produce a reserve for expected credit losses. We use a combination of statistically-based models that incorporate current and future economic conditions throughout the R&S Period. The process of estimating expected credit losses is based on several key models: Probability of Default (PD), Exposure at Default (EAD), and future recoveries for each month of the R&S Period. Beyond the R&S Period, we estimate expected credit losses by immediately reverting to long-term average loss rates. • PD models are used to estimate the likelihood an account will be written-off. • EAD models are used to estimate the balance of an account at the time of write-off. This includes balances less expected repayments based on historical payment and revolve behavior, which vary by customer. Due to the nature of revolving loan portfolios, the EAD models are complex and involve assumptions regarding the relationship between future spend and payment behaviors. • Recovery models are used to estimate amounts that are expected to be received from Card Members after default occurs, typically as a result of collection efforts. Future recoveries are estimated taking into consideration the time of default, time elapsed since default and macroeconomic conditions. We also estimate the likelihood and magnitude of recovery of previously written off accounts considering how long ago the account was written off and future economic conditions, even if such expected recoveries exceed expected losses. Our models are developed using historical loss experience covering the economic cycle and consider the impact of account characteristics on expected losses. This history includes the performance of loans and receivables modifications for borrowers experiencing financial difficulty, including their subsequent defaults. Future economic conditions that are incorporated over the R&S Period include multiple macroeconomic scenarios provided to us by an independent third party. Management reviews these economic scenarios each period and assigns probability weights to each scenario, generally with a consistent initial distribution. At times, due to macroeconomic uncertainty and volatility, management may apply judgment and assign different probability weights to scenarios. These macroeconomic scenarios contain certain variables, including unemployment rates and real gross domestic product (GDP), that are significant to our models. We also evaluate whether to include qualitative reserves to cover losses that are expected but, in our assessment, may not be adequately represented in the quantitative methods or the economic assumptions. We consider whether to adjust the quantitative reserves (higher or lower) to address possible limitations within the models or factors not included within the models, such as external conditions, emerging portfolio trends, the nature and size of the portfolio, portfolio concentrations, the volume and severity of past due accounts, or management risk actions. Lifetime losses for most of our loans and receivables are evaluated at an appropriate level of granularity, including assessment on a pooled basis where financial assets share similar risk characteristics, such as past spend and remittance behaviors, credit bureau scores where available, delinquency status, tenure of balance outstanding, amongst others. Credit losses on accrued interest are measured and presented as part of Reserves for credit losses on the Consolidated Balance Sheets and within the Provisions for credit losses in the Consolidated Statements of Income, rather than reversing interest income. Separate models are used for accounts deemed a troubled debt restructuring, which are measured individually and incorporate a discounted cash flow model.
Investment Securities	Investment securities principally include available-for-sale debt securities carried at fair value on the Consolidated Balance Sheets. Unrealized losses attributable to credit deterioration are recorded in the Consolidated Statements of Income in Other loans Provision for credit losses. Unrealized gains and any portion of a security’s unrealized loss attributable to non-credit losses are recorded in the Consolidated Statements of Comprehensive Income, net of tax. Investment securities also include equity securities carried at fair value on the Consolidated Balance Sheets with unrealized gains and losses recorded in the Consolidated Statements of Income as Other, net expense.
Asset Securitizations	We periodically securitize Card Member loans and receivables arising from our card businesses through the transfer of those assets to securitization trusts, American Express Credit Account Master Trust (the Lending Trust) and American Express Issuance Trust II (the Charge Trust and together with the Lending Trust, the Trusts). The Trusts then issue debt securities collateralized by the transferred assets to third-party investors.
Contingencies	We have accrued for certain of our outstanding legal proceedings. An accrual is recorded when it is both (a) probable that a loss has occurred and (b) the amount of loss can be reasonably estimated. There may be instances in which an exposure to loss exceeds the accrual. We evaluate, on a quarterly basis, developments in legal proceedings that could cause an increase or decrease in the amount of the accrual that has been previously recorded, or a revision to the disclosed estimated range of possible losses, as applicable. For those disclosed legal proceedings where a loss is reasonably possible in future periods, whether in excess of a recorded accrual for legal or tax contingencies, or where there is no such accrual, and for which we are able to estimate a range of possible loss, the current estimated range is zero to $450 million in excess of any accruals related to those matters. This range represents management’s estimate based on currently available information and does not represent our maximum loss exposure; actual results may vary significantly. As such legal proceedings evolve, we may need to increase our range of possible loss or recorded accruals. In addition, it is possible that significantly increased merchant steering or other actions impairing the Card Member experience as a result of an adverse resolution in one or any combination of the disclosed merchant cases could have a material adverse effect on our business and results of operations.
Derivatives	A majority of our derivative assets and liabilities as of September 30, 2024 and December 31, 2023 are subject to master netting agreements with our derivative counterparties. Accordingly, where appropriate, we have elected to present derivative assets and liabilities with the same counterparty on a net basis in the Consolidated Balance Sheets.
Fair Values	We have certain assets that are subject to measurement at fair value on a nonrecurring basis. For these assets, measurement at fair value in periods subsequent to their initial recognition is applicable if they are determined to be impaired or where there are observable price changes for equity investments without readily determinable fair values. We estimate the Level 3 fair value of equity investments without readily determinable fair values, which include investments in our Amex Ventures portfolio, based on price changes as of the date of new similar equity financing transactions completed by the companies in the portfolio. In addition, impairments on such investments are recorded to account for the difference between the estimated fair value and carrying value of an investment based on a qualitative assessment of impairment indicators such as business performance, general market conditions and the economic and regulatory environment. When an impairment triggering event occurs, the fair value measurement is generally derived by taking into account all available information, such as share prices of publicly traded peer companies, internal valuations performed by our investees, and other third-party fair value data. The fair value of impaired investments represents a Level 3 fair value measurement.
Guarantees	Our recognition of these instruments is at fair value. In addition, we establish reserves when a loss is probable and the amount can be reasonably estimated.

Loans and Card Member Receiva_2

Loans and Card Member Receivables (Tables)	9 Months Ended
Loans and Card Member Receivables (Tables)	Sep. 30, 2024
Receivables [Abstract]
Card member and other loan detail	Card Member and Other loans as of September 30, 2024 and December 31, 2023 consisted of: (Millions) 2024 2023 Consumer (a) $ 102,236 $ 98,111 Small Business 32,275 27,833 Corporate 37 51 Card Member loans 134,548 125,995 Less: Reserves for credit losses 5,588 5,118 Card Member loans, net $ 128,960 $ 120,877 Other loans, net (b) $ 8,306 $ 6,960 (a) Includes approximately $26.9 billion and $28.6 billion of gross Card Member loans available to settle obligations of a consolidated variable interest entity (VIE) as of September 30, 2024 and December 31, 2023, respectively. (b) Other loans are presented net of reserves for credit losses of $154 million and $126 million as of September 30, 2024 and December 31, 2023, respectively. Card Member receivables as of September 30, 2024 and December 31, 2023 consisted of: (Millions) 2024 2023 Consumer $ 23,426 $ 25,578 Small Business 18,925 19,286 Corporate (a) 16,691 15,547 Card Member receivables 59,042 60,411 Less: Reserves for credit losses 156 174 Card Member receivables, net $ 58,886 $ 60,237 (a) Includes $4.5 billion and $4.6 billion of gross Card Member receivables available to settle obligations of a consolidated VIE as of September 30, 2024 and December 31, 2023, respectively.
Aging of receivables	The following tables present the aging of Card Member loans and receivables as of September 30, 2024 and December 31, 2023: 2024 ( Millions ) Current 30-59 60-89 90+ Total 90+ Days Past Due and Still Accruing Interest (c) Non-Accruals (d) Card Member Loans: Consumer $ 100,819 $ 446 $ 327 $ 644 $ 102,236 $ 409 $ 391 Small Business 31,813 154 108 200 32,275 125 116 Corporate (a) (b) (b) (b) — 37 — — Card Member Receivables: Consumer 23,245 59 41 81 23,426 — — Small Business $ 18,704 $ 83 $ 51 87 18,925 — — Corporate (a) (b) (b) (b) $ 67 $ 16,691 $ — $ — 2023 ( Millions ) Current 30-59 60-89 90+ Total 90+ Days Past Due and Still Accruing Interest (c) Non-Accruals (d) Card Member Loans: Consumer $ 96,779 $ 420 $ 298 $ 614 $ 98,111 $ 393 $ 344 Small Business 27,444 133 85 171 27,833 109 95 Corporate (a) (b) (b) (b) — 51 — — Card Member Receivables: Consumer 25,355 70 47 106 25,578 — — Small Business $ 19,020 $ 104 $ 62 100 19,286 — — Corporate (a) (b) (b) (b) $ 67 $ 15,547 $ — $ — (a) For corporate accounts, delinquency data is tracked based on days past billing status rather than days past due. A Card Member account is considered 90 days past billing if payment has not been received within 90 days of the Card Member’s billing statement date. In addition, if we initiate collection procedures on an account prior to the account becoming 90 days past billing, the associated Card Member loan or receivable balance is classified as 90 days past billing. These amounts are shown above as 90+ Days Past Due for presentation purposes. See also (b). (b) Delinquency data for periods other than 90+ days past billing is not available due to system constraints. Therefore, such data has not been utilized for risk management purposes. The balances that are current to 89 days past due can be derived as the difference between the Total and the 90+ Days Past Due balances. (c) Our policy is generally to accrue interest through the date of write-off (typically 180 days past due). We establish reserves for interest that we believe will not be collected. (d) Non-accrual loans primarily include certain loans placed with outside collection agencies for which we have ceased accruing interest.
Credit quality indicators for loans and receivables	The following table presents the key credit quality indicators as of or for the nine months ended September 30: 2024 2023 Net Write-Off Rate Net Write-Off Rate Principal Only (a) Principal, Interest & Fees (a) 30+ Days Past Due as a % of Total Principal Only (a) Principal, Interest & Fees (a) 30+ Days Past Due as a % of Total Card Member Loans: Consumer 2.2 % 2.8 % 1.4 % 1.7 % 2.1 % 1.3 % Small Business 2.2 % 2.6 % 1.4 % 1.5 % 1.8 % 1.3 % Card Member Receivables: Consumer 1.3 % 1.4 % 0.8 % 1.6 % 1.7 % 1.0 % Small Business 2.0 % 2.1 % 1.2 % 2.3 % 2.4 % 1.3 % Corporate (b) 0.6 % (c) (b) 0.6 % (c) (a) We present a net write-off rate based on principal losses only (i.e., excluding interest and/or fees) to be consistent with industry convention. In addition, as our practice is to include uncollectible interest and/or fees as part of our total provision for credit losses, a net write-off rate including principal, interest and/or fees is also presented. (b) Net write-off rate based on principal losses only is not available due to system constraints. (c) For corporate receivables, delinquency data is tracked based on days past billing status rather than days past due. Delinquency data for periods other than 90+ days past billing is not available due to system constraints. 90+ days past billing as a % of total was 0.4% and 0.5% as of September 30, 2024 and 2023, respectively.
Modifications of loans and receivables	The following tables provide information relating to loans and receivables modifications for borrowers experiencing financial difficulty during the three and nine months ended September 30, 2024 and 2023: Three Months Ended September 30, 2024 2023 Account Balances ( Millions ) (a) % of Total Class of Financing Receivables Weighted Average Interest Rate Reduction Weighted Average Payment Account Balances ( Millions ) (a) % of Total Class of Financing Receivables Weighted Average Interest Rate Reduction Weighted Average Payment Interest Rate Reduction Card Member Loans Consumer $ 511 0.5 % 18.3 % (b) $ 542 0.6 % 16.4 % (b) Small Business 185 0.6 % 17.6 % (b) 167 0.6 % 15.9 % (b) Corporate — — — (b) — — — (b) Term Extension Card Member Receivables Consumer 89 0.4 % (c) 31 126 0.6 % (c) 30 Small Business 138 0.7 % (c) 31 181 0.9 % (c) 30 Corporate 9 0.1 % (c) 10 4 0.02 % (c) 10 Other Loans 8 0.1 % — 16 8 0.1 % — 19 Interest Rate Reduction Other Loans 16 0.2 % 2.5 % 20 16 0.2 % 2.1 % 20 Total $ 956 $ 1,044 Nine Months Ended September 30, 2024 2023 Account Balances ( Millions ) (a) % of Total Class of Financing Receivables Weighted Average Interest Rate Reduction Weighted Average Payment Account Balances ( Millions ) (a) % of Total Class of Financing Receivables Weighted Average Interest Rate Reduction Weighted Average Payment Interest Rate Reduction Card Member Loans Consumer $ 1,438 1.4 % 18.2 % (b) $ 1,113 1.2 % 16.1 % (b) Small Business 514 1.6 % 17.5 % (b) 411 1.5 % 15.7 % (b) Corporate — — — (b) — — — (b) Term Extension Card Member Receivables Consumer 232 1.0 % (c) 30 282 1.3 % (c) 27 Small Business 359 1.9 % (c) 30 455 2.3 % (c) 27 Corporate 15 0.1 % (c) 9 12 0.1 % (c) 10 Other Loans 26 0.3 % — 18 19 0.3 % — 18 Interest Rate Reduction Other Loans 46 0.5 % 2.5 % 20 28 0.4 % 2.0 % 19 Total $ 2,630 $ 2,320 (a) Represents the outstanding balances as of September 30, 2024 and 2023 of all modifications undertaken in the prior three and nine months, respectively, for loans and receivables that remain in modification programs as of, or that defaulted on or before, September 30, 2024 and 2023, respectively. The outstanding balances include principal, fees, and accrued interest on loans and principal and fees on receivables. Modifications did not reduce the principal balance. (b) For Card Member loans, we generally do not offer payment term extensions. (c) We do not offer interest rate reduction programs for Card Member receivables as the receivables are non-interest bearing. The following table provides information relating to the performance of loans and receivables that were modified during the prior twelve months and that remain in modification programs as of, or that defaulted on or before, September 30, 2024: As of September 30, 2024 Account Balances ( Millions ) (a) Current 30-89 Days Past Due 90+ Days Past Due Card Member Loans Consumer $ 1,647 $ 124 $ 48 Small Business 556 59 23 Corporate — — — Card Member Receivables: Consumer 261 19 6 Small Business 386 41 14 Corporate 11 3 2 Other Loans 78 6 2 Total $ 2,939 $ 252 $ 95 (a) The outstanding balance as of September 30, 2024 includes principal, fees and accrued interest on loans and principal and fees on receivables. The following table provides information relating to the performance of loans and receivables that were modified on or after January 1, 2023 and that remained in modification programs as of, or that defaulted on or before, September 30, 2023: As of September 30, 2023 Account Balances ( Millions ) (a) Current 30-89 Days Past Due 90+ Days Past Due Card Member Loans Consumer $ 1,020 $ 73 $ 20 Small Business 366 34 11 Corporate — — — Card Member Receivables: Consumer 257 20 5 Small Business 402 43 10 Corporate 9 2 1 Other Loans 42 4 1 Total $ 2,096 $ 176 $ 48 (a) The outstanding balance as of September 30, 2023 includes principal, fees and accrued interest on loans and principal and fees on receivables.
Modified loans and receivables that subsequently defaulted	The following table provides information with respect to modified loans and receivables that defaulted during the periods presented and were modified in the twelve months prior to the payment default. A customer can miss up to three payments before being considered in default, depending on the terms of the modification program. For loans and receivables modified on or after January 1, 2023, the amounts of defaulted balances were immaterial for the three and nine months ended September 30, 2023. Three Months Ended September 30, 2024 Nine Months Ended September 30, 2024 Account Balance ( Millions ) (a) Interest Rate Reduction Term Extension Interest Rate Reduction and Term Extension Total Interest Rate Reduction Term Extension Interest Rate Reduction and Term Extension Total Card Member Loans Consumer $ 52 (b) $ — $ 52 $ 75 (b) $ — $ 75 Small Business 23 (b) — 23 33 (b) — 33 Corporate — (b) — — — (b) — — Card Member Receivables Consumer (c) $ 6 — 6 (c) $ 8 — 8 Small Business (c) 12 — 12 (c) 16 — 16 Corporate (c) — — — (c) — — — Other Loans — — 2 2 — — 2 2 Total $ 75 $ 18 $ 2 $ 95 $ 108 $ 24 $ 2 $ 134 (a) Represents the outstanding balances as of September 30, 2024 of all modifications that defaulted in the three and nine months ended September 30, 2024, respectively, and were modified in the twelve months prior to payment default. The outstanding balances include principal, fees and accrued interest on loans and principal and fees on receivables. (b) For Card Member loans, we generally do not offer payment term extensions. (c) We do not offer interest rate reduction programs for Card Member receivables as the receivables are non-interest bearing.

Reserves for Credit Losses (Tab

Reserves for Credit Losses (Tables)	9 Months Ended
Reserves for Credit Losses (Tables)	Sep. 30, 2024
Credit Loss [Abstract]
Schedule of key variables in macroeconomic scenarios utilized for computation of reserves for credit losses	The following table reflects the range of macroeconomic scenario key variables used, in conjunction with other inputs, to calculate reserves for credit losses: U.S. Unemployment Rate U.S. GDP Growth (Contraction) (a) September 30, 2024 December 31, 2023 September 30, 2024 December 31, 2023 Third quarter of 2024 4% 3% - 7% 2% 4% - (3)% Fourth quarter of 2024 4% - 6% 3% - 8% 4% - (3)% 3% - 1% Fourth quarter of 2025 3% - 8% 3% - 7% 3% - 1% 2% Fourth quarter of 2026 3% - 7% 3% - 6% 3% - 2% 3% - 2% (a) Real GDP quarter over quarter percentage change seasonally adjusted to annualized rates.
Schedule of changes in card member loans and receivables	The following table presents changes in the Card Member loans reserve for credit losses for the three and nine months ended September 30: Three Months Ended September 30, Nine Months Ended September 30, (Millions) 2024 2023 2024 2023 Beginning Balance $ 5,321 $ 4,390 $ 5,118 $ 3,747 Provisions (a) 1,114 982 3,098 2,691 Net write-offs (b) Principal (701) (525) (2,159) (1,412) Interest and fees (152) (114) (462) (310) Other (c) 6 (12) (7) 5 Ending Balance $ 5,588 $ 4,721 $ 5,588 $ 4,721 (a) Provisions for principal, interest and fee reserve components. Provisions for credit losses includes reserve build (release) and replenishment for net write-offs. (b) Principal write-offs are presented less recoveries of $192 million and $138 million for the three months ended September 30, 2024 and 2023, respectively, and $530 million and $396 million for the nine months ended September 30, 2024 and 2023, respectively. Recoveries of interest and fees were not significant. (c) Primarily includes foreign currency translation adjustments. The following table presents changes in the Card Member receivables reserve for credit losses for the three and nine months ended September 30: Three Months Ended September 30, Nine Months Ended September 30, (Millions) 2024 2023 2024 2023 Beginning Balance $ 171 $ 210 $ 174 $ 229 Provisions (a) 170 206 592 658 Net write-offs (b) (187) (241) (609) (714) Other (c) 2 (1) (1) 1 Ending Balance $ 156 $ 174 $ 156 $ 174 (a) Provisions for principal and fee reserve components. Provisions for credit losses includes reserve build (release) and replenishment for net write-offs. (b) Net write-offs are presented less recoveries of $74 million and $73 million for the three months ended September 30, 2024 and 2023, respectively, and $228 million and $218 million for the nine months ended September 30, 2024 and 2023, respectively. (c) Primarily includes foreign currency translation adjustments.

Investment Securities (Tables)

Investment Securities (Tables)	9 Months Ended
Investment Securities (Tables)	Sep. 30, 2024
Investments, Debt and Equity Securities [Abstract]
Schedule of available for sale securities by type	The following is a summary of investment securities as of September 30, 2024 and December 31, 2023: 2024 2023 Description of Securities (Millions) Cost Gross Gross Estimated Cost Gross Gross Estimated Available-for-sale debt securities: State and municipal obligations $ 57 $ 1 $ (8) $ 50 $ 61 $ — $ (6) $ 55 U.S. Government agency obligations 4 — — 4 4 — — 4 U.S. Government treasury obligations 270 1 (2) 269 1,217 1 (12) 1,206 Mortgage-backed securities (a) 11 — — 11 12 — (1) 11 Foreign government bonds and obligations 817 — — 817 770 — — 770 Other (b) 74 — — 74 74 — — 74 Equity securities (c) 50 — (7) 43 60 16 (10) 66 Total $ 1,283 $ 2 $ (17) $ 1,268 $ 2,198 $ 17 $ (29) $ 2,186 (a) Represents mortgage-backed securities guaranteed by Fannie Mae, Freddie Mac or Ginnie Mae. (b) Represents investments in debt securities issued by Community Development Financial Institutions. (c) Equity securities comprise investments in common stock and mutual funds.
Available-for-sale securities, continuous unrealized loss position, fair value	The following table provides information about our available-for-sale debt securities with gross unrealized losses and the length of time that individual securities have been in a continuous unrealized loss position as of September 30, 2024 and December 31, 2023: 2024 2023 Less than 12 months 12 months or more Less than 12 months 12 months or more Description of Securities ( Millions ) Estimated Fair Value Gross Estimated Fair Value Gross Estimated Fair Value Gross Estimated Fair Value Gross State and municipal obligations $ — $ — $ 23 $ (8) $ — $ — $ 33 $ (6) U.S. Government treasury obligations — — 122 (2) — — 1,114 (12) Mortgage-backed securities — — — — — — 7 (1) Total $ — $ — $ 145 $ (10) $ — $ — $ 1,154 $ (19)
Available for sale securities ratio of fair value to amortized cost	The following table summarizes the gross unrealized losses for available-for-sale debt securities by ratio of fair value to amortized cost as of September 30, 2024 and December 31, 2023: Less than 12 months 12 months or more Total Ratio of Fair Value to Amortized Cost ( Dollars in millions ) Number of Estimated Gross Number of Estimated Gross Number of Estimated Gross 2024: 90–100% — $ — $ — 7 $ 129 $ (2) 7 $ 129 $ (2) Less than 90% — $ — $ — 3 $ 16 $ (8) 3 $ 16 $ (8) Total as of September 30, 2024 — $ — $ — 10 $ 145 $ (10) 10 $ 145 $ (10) 2023: 90–100% — $ — $ — 69 $ 1,140 $ (14) 69 $ 1,140 $ (14) Less than 90% — $ — $ — 2 $ 14 $ (5) 2 $ 14 $ (5) Total as of December 31, 2023 — $ — $ — 71 $ 1,154 $ (19) 71 $ 1,154 $ (19)
Contractual maturities of investment securities	Contractual maturities for available-for-sale debt securities with stated maturities as of September 30, 2024 were as follows: (Millions) Cost Estimated Due within 1 year $ 867 $ 867 Due after 1 year but within 5 years 285 284 Due after 5 years but within 10 years 32 33 Due after 10 years 49 41 Total $ 1,233 $ 1,225

Customer Deposits (Tables)

Customer Deposits (Tables)	9 Months Ended
Customer Deposits (Tables)	Sep. 30, 2024
Deposits [Abstract]
Customer deposits by component and type	As of September 30, 2024 and December 31, 2023, customer deposits were categorized as interest-bearing or non-interest-bearing as follows: (Millions) 2024 2023 U.S.: Interest-bearing $ 134,476 $ 128,146 Non-interest-bearing (includes Card Member credit balances of: 2024, $483; 2023, $495) 532 557 Non-U.S.: Interest-bearing 17 12 Non-interest-bearing (includes Card Member credit balances of: 2024, $410; 2023, $426) 413 429 Total customer deposits $ 135,438 $ 129,144 Customer deposits by deposit type as of September 30, 2024 and December 31, 2023 were as follows: (Millions) 2024 2023 U.S. interest-bearing deposits: Savings accounts $ 105,465 $ 92,324 Checking accounts 1,839 1,398 Certificates of deposit: Direct 4,882 5,557 Third-party (brokered) 6,851 12,960 Sweep accounts – Third-party (brokered) 15,439 15,907 Total U.S. interest-bearing deposits $ 134,476 $ 128,146 Other deposits 69 77 Card Member credit balances 893 921 Total customer deposits $ 135,438 $ 129,144
Time deposits by maturity	The scheduled maturities of certificates of deposit as of September 30, 2024 were as follows: (Millions) 2024 2025 2026 2027 2028 After 5 Years Total Certificates of deposit (a) $ 1,810 $ 6,575 $ 1,453 $ 1,001 $ 701 $ 204 $ 11,744 (a) Includes $11 million of non-U.S. direct certificates of deposit as of September 30, 2024.

Derivatives and Hedging Activ_2

Derivatives and Hedging Activities (Tables)	9 Months Ended
Derivatives and Hedging Activities (Tables)	Sep. 30, 2024
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Schedule of derivative instruments in statement of financial position, fair value	The following table summarizes the total fair value, excluding interest accruals, of derivative assets and liabilities as of September 30, 2024 and December 31, 2023: Other Assets Fair Value Other Liabilities Fair Value (Millions) 2024 2023 2024 2023 Derivatives designated as hedging instruments: Fair value hedges - Interest rate contracts (a) $ — $ — $ 19 $ 99 Net investment hedges - Foreign exchange contracts 186 9 319 455 Total derivatives designated as hedging instruments 186 9 338 554 Derivatives not designated as hedging instruments: Foreign exchange contracts and other 185 71 420 423 Total derivatives, gross 371 80 758 977 Derivative asset and derivative liability netting (b) (234) (57) (234) (57) Cash collateral netting (c) — — (30) (106) Total derivatives, net $ 137 $ 23 $ 494 $ 814 (a) For our centrally cleared derivatives, variation margin payments are legally characterized as settlement payments as opposed to collateral. (b) Represents the amount of netting of derivative assets and derivative liabilities executed with the same counterparty under an enforceable master netting arrangement. (c) Represents the offsetting of the fair value of bilateral interest rate contracts and certain foreign exchange contracts with the right to cash collateral held from the counterparty or cash collateral posted with the counterparty.
Effect of fair value hedges on results of operations	The following table presents the gains and losses recognized in Interest expense on the Consolidated Statements of Income associated with the fair value hedges of our fixed-rate long-term debt for the three and nine months ended September 30: Gains (losses) Three Months Ended Nine Months Ended (Millions) 2024 2023 2024 2023 Fixed-rate long-term debt $ (554) $ 52 $ (481) $ 14 Derivatives designated as hedging instruments 550 (52) 476 (15) Total $ (4) $ — $ (5) $ (1)

Fair Values (Tables)

Fair Values (Tables)	9 Months Ended
Fair Values (Tables)	Sep. 30, 2024
Fair Value Disclosures [Abstract]
Fair value assets and liabilities measured on recurring basis	The following table summarizes our financial assets and financial liabilities measured at fair value on a recurring basis, categorized by GAAP’s fair value hierarchy, as of September 30, 2024 and December 31, 2023: 2024 2023 (Millions) Total Level 1 Level 2 Level 3 Total Level 1 Level 2 Level 3 Assets: Investment securities: (a) Equity securities $ 43 $ 43 $ — $ — $ 66 $ 66 $ — $ — Debt securities 1,225 — 1,151 74 2,120 — 2,046 74 Derivatives, gross (a)(b) 371 — 349 22 80 — 62 18 Total Assets 1,639 43 1,500 96 2,266 66 2,108 92 Liabilities: Derivatives, gross (a) 758 — 758 — 977 — 977 — Total Liabilities $ 758 $ — $ 758 $ — $ 977 $ — $ 977 $ — (a) Refer to Note 4 for the fair values of investment securities and to Note 8 for the fair values of derivative assets and liabilities on a further disaggregated basis. (b)
Estimated fair value of financial assets and financial liabilities	The following table summarizes the estimated fair values of our financial assets and financial liabilities that are measured at amortized cost, and not required to be carried at fair value on a recurring basis, as of September 30, 2024 and December 31, 2023. The fair values of these financial instruments are estimates based upon the market conditions and perceived risks as of September 30, 2024 and December 31, 2023, and require management’s judgment. These figures may not be indicative of future fair values, nor can the fair value of American Express be estimated by aggregating the amounts presented. Carrying Corresponding Fair Value Amount 2024 (Billions) Total Level 1 Level 2 Level 3 Financial Assets: Financial assets for which carrying values equal or approximate fair value Cash and cash equivalents (a) $ 48 $ 48 $ 47 $ 1 $ — Other financial assets (b) 62 62 — 62 — Financial assets carried at other than fair value Card Member and Other loans, less reserves (c) 137 143 — — 143 Financial Liabilities: Financial liabilities for which carrying values equal or approximate fair value 151 151 — 151 — Financial liabilities carried at other than fair value Certificates of deposit (d) 12 12 — 12 — Long-term debt (c) $ 54 $ 54 $ — $ 54 $ — Carrying Corresponding Fair Value Amount 2023 (Billions) Total Level 1 Level 2 Level 3 Financial Assets: Financial assets for which carrying values equal or approximate fair value Cash and cash equivalents (a) $ 47 $ 47 $ 45 $ 2 $ — Other financial assets (b) 63 63 — 63 — Financial assets carried at other than fair value Card Member and Other loans, less reserves (c) 128 133 — — 133 Financial Liabilities: Financial liabilities for which carrying values equal or approximate fair value 143 143 — 143 — Financial liabilities carried at other than fair value Certificates of deposit (d) 19 18 — 18 — Long-term debt (c) $ 48 $ 48 $ — $ 48 $ — (a) Level 2 fair value amounts reflect time deposits and short-term investments. (b) Balances include Card Member receivables (including fair values of Card Member receivables of $4.5 billion and $4.6 billion held by a consolidated VIE as of September 30, 2024 and December 31, 2023, respectively), other receivables and other miscellaneous assets. (c) Balances include amounts held by a consolidated VIE for which the fair values of Card Member loans were $27.0 billion and $28.6 billion as of September 30, 2024 and December 31, 2023, respectively, and the fair values of Long-term debt were $16.8 billion and $13.3 billion as of September 30, 2024 and December 31, 2023, respectively. (d) Presented as a component of Customer deposits on the Consolidated Balance Sheets.

Changes in Accumulated Other _2

Changes in Accumulated Other Comprehensive Income (Loss) (Tables)	9 Months Ended
	Sep. 30, 2024
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Components of comprehensive income (loss), net of tax	Changes in each component for the three and nine months ended September 30, 2024 and 2023 were as follows: Three Months Ended September 30, 2024 (Millions), net of tax Net Unrealized Foreign Currency Translation Adjustment Gains (Losses), net of hedges (a) Net Unrealized Accumulated Other Balances as of June 30, 2024 $ (10) $ (2,707) $ (483) $ (3,200) Net change 4 1 — 5 Balances as of September 30, 2024 $ (6) $ (2,706) $ (483) $ (3,195) Nine Months Ended September 30, 2024 (Millions), net of tax Net Unrealized Foreign Currency Translation Adjustment Gains (Losses), net of hedges (a) Net Unrealized Accumulated Other Balances as of December 31, 2023 $ (14) $ (2,571) $ (487) $ (3,072) Net change 8 (135) 4 (123) Balances as of September 30, 2024 $ (6) $ (2,706) $ (483) $ (3,195) Three Months Ended September 30, 2023 (Millions), net of tax Net Unrealized Gains (Losses) on Debt Securities Foreign Currency Translation Adjustment Gains (Losses), net of hedges (a) Net Unrealized Accumulated Other Comprehensive Income (Loss) Balances as of June 30, 2023 $ (44) $ (2,569) $ (471) $ (3,084) Net change 14 (110) 4 (92) Balances as of September 30, 2023 $ (30) $ (2,679) $ (467) $ (3,176) Nine Months Ended September 30, 2023 (Millions), net of tax Net Unrealized Gains (Losses) on Debt Securities Foreign Currency Translation Adjustment Gains (Losses), net of hedges (a) Net Unrealized Accumulated Other Comprehensive Income (Loss) Balances as of December 31, 2022 $ (64) $ (2,622) $ (524) $ (3,210) Net change 34 (57) 57 34 Balances as of September 30, 2023 $ (30) $ (2,679) $ (467) $ (3,176) (a) Refer to Note 8 for additional information on hedging activity.
AOCI income tax effect	The following table shows the tax impact for the three and nine months ended September 30 for the changes in each component of AOCI presented above: Tax expense (benefit) Three Months Ended Nine Months Ended (Millions) 2024 2023 2024 2023 Net unrealized gains on debt securities $ — $ 5 $ 2 $ 11 Foreign currency translation adjustment, net of hedges (26) 66 30 (32) Pension and other postretirement benefits (7) 6 (5) 6 Total tax impact $ (33) $ 77 $ 27 $ (15)

Service Fees and Other Revenu_2

Service Fees and Other Revenue and Other Expenses (Tables)	9 Months Ended
Service Fees and Other Revenue and Other Expenses (Tables)	Sep. 30, 2024
Service Fees and Other Revenue and Other Expenses [Abstract]
Service fees and other revenue	The following is a detail of Service fees and other revenue for the three and nine months ended September 30: Three Months Ended Nine Months Ended (Millions) 2024 2023 2024 2023 Service fees $ 370 $ 375 $ 1,197 $ 1,114 Foreign currency-related revenue 401 374 1,140 1,071 Delinquency fees 236 245 705 717 Travel commissions and fees 157 183 481 476 Other fees and revenues 103 84 316 333 Total Service fees and other revenue $ 1,267 $ 1,261 $ 3,839 $ 3,711
Other expenses	The following is a detail of Other expenses for the three and nine months ended September 30: Three Months Ended Nine Months Ended (Millions) 2024 2023 2024 2023 Data processing and equipment $ 725 $ 704 $ 2,083 $ 2,041 Professional services 579 477 1,576 1,384 Gain on sale of Accertify (a) — — (531) — Other 476 424 1,166 1,288 Total Other expenses $ 1,780 $ 1,605 $ 4,294 $ 4,713 (a) Refer to Note 1 for additional information.

Income Taxes (Tables)

Income Taxes (Tables)	9 Months Ended
Income Taxes (Tables)	Sep. 30, 2024
Income Tax Disclosure [Abstract]
Tax credit investments expenses and related income tax credits and other tax benefits	The following table presents tax credit investment expenses and associated income tax credits and other income tax benefits for the three and nine months ended September 30: Three Months Ended Nine Months Ended (Millions) 2024 2023 2024 2023 Proportional amortization recognized in tax provision $ 48 $ 39 $ 143 $ 122 Income tax credits and Other income tax benefits (a) recognized in tax provision 51 49 164 153 (a) Other income tax benefits are a result of tax deductible expenses generated by our tax credit investments

Earnings Per Common Share (EP_2

Earnings Per Common Share (EPS) (Tables)	9 Months Ended
Earnings Per Common Share (EPS) (Tables)	Sep. 30, 2024
Earnings Per Share [Abstract]
Computation of basic and diluted EPS	The computations of basic and diluted EPS for the three and nine months ended September 30 were as follows: Three Months Ended Nine Months Ended (Millions, except per share amounts) 2024 2023 2024 2023 Numerator: Basic and diluted: Net income $ 2,507 $ 2,451 $ 7,959 $ 6,441 Preferred dividends (15) (14) (44) (43) Net income available to common shareholders $ 2,492 $ 2,437 $ 7,915 $ 6,398 Earnings allocated to participating share awards (a) (18) (19) (59) (50) Net income attributable to common shareholders $ 2,474 $ 2,418 $ 7,856 $ 6,348 Denominator: (a) Basic: Weighted-average common stock 708 732 715 738 Add: Weighted-average stock options (b) 1 1 1 1 Diluted 709 733 716 739 Basic EPS $ 3.50 $ 3.30 $ 10.99 $ 8.60 Diluted EPS $ 3.49 $ 3.30 $ 10.97 $ 8.59 (a) Our unvested restricted stock awards, which include the right to receive non-forfeitable dividends or dividend equivalents, are considered participating securities. Calculations of EPS under the two-class method exclude from the numerator any dividends paid or owed on participating securities and any undistributed earnings considered to be attributable to participating securities. The related participating securities are similarly excluded from the denominator. (b) The dilutive effect of unexercised stock options excludes from the computation of EPS 0.1 million of options for both the three and nine months ended September 30, 2024 and 1.4 million of options for both the three and nine months ended September 30, 2023, because inclusion of the options would have been anti-dilutive.

Reportable Operating Segments (

Reportable Operating Segments (Tables)	9 Months Ended
Reportable Operating Segments (Tables)	Sep. 30, 2024
Segment Reporting [Abstract]
Operating segment information	The following table presents certain selected financial information for our reportable operating segments and Corporate & Other: As of or for the Three Months Ended September 30, 2024 (Millions) USCS CS ICS GMNS Corporate & Other (a) Consolidated Total non-interest revenues $ 5,028 $ 3,304 $ 2,659 $ 1,667 $ (28) $ 12,630 Revenue from contracts with customers (b) 3,620 2,886 1,724 1,493 (7) 9,716 Interest income 3,722 1,142 588 11 686 6,149 Interest expense 806 448 311 (169) 747 2,143 Total revenues net of interest expense 7,944 3,998 2,936 1,847 (89) 16,636 Pretax income (loss) 1,659 908 455 991 (809) 3,204 Total assets $ 106,201 $ 59,716 $ 43,073 $ 17,739 $ 44,250 $ 270,979 For the Nine Months Ended September 30, 2024 (Millions) USCS CS ICS GMNS Corporate & Other (a) Consolidated Total non-interest revenues $ 14,823 $ 9,831 $ 7,644 $ 5,006 $ (39) $ 37,265 Revenue from contracts with customers (b) 10,785 8,603 4,983 4,505 (3) 28,873 Interest income 10,677 3,198 1,748 41 2,054 17,718 Interest expense 2,325 1,292 921 (543) 2,218 6,213 Total revenues net of interest expense 23,175 11,737 8,471 5,590 (203) 48,770 Pretax income (loss) $ 4,832 $ 2,691 $ 997 $ 3,545 $ (1,926) $ 10,139 As of or for the Three Months Ended September 30, 2023 (Millions) USCS CS ICS GMNS Corporate & Other (a) Consolidated Total non-interest revenues $ 4,680 $ 3,257 $ 2,390 $ 1,656 $ (44) $ 11,939 Revenue from contracts with customers (b) 3,464 2,864 1,558 1,499 (8) 9,377 Interest income 3,228 881 538 14 579 5,240 Interest expense 700 391 285 (181) 603 1,798 Total revenues net of interest expense 7,208 3,747 2,643 1,851 (68) 15,381 Pretax income (loss) 1,584 852 387 986 (709) 3,100 Total assets $ 98,218 $ 56,585 $ 38,553 $ 20,764 $ 36,467 $ 250,587 For the Nine Months Ended September 30, 2023 (Millions) USCS CS ICS GMNS Corporate & Other (a) Consolidated Total non-interest revenues $ 13,682 $ 9,665 $ 7,006 $ 4,927 $ (94) $ 35,186 Revenue from contracts with customers (b) 10,182 8,505 4,527 4,470 (28) 27,656 Interest income 8,937 2,379 1,502 42 1,571 14,431 Interest expense 1,898 1,076 770 (486) 1,643 4,901 Total revenues net of interest expense 20,721 10,968 7,738 5,455 (166) 44,716 Pretax income (loss) $ 3,964 $ 2,195 $ 829 $ 2,834 $ (1,821) $ 8,001 (a) Corporate & Other includes adjustments and eliminations for intersegment activity. (b) Includes discount revenue, certain service fees and other revenue and processed revenue from customers.

Basis of Presentation - Busines

Basis of Presentation - Business Events (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of Accertify	$ 0		$ 0	$ 531	$ 0
Accertify
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of Accertify		$ 531
Gain on sale of Accertify, net of tax		$ 479

Loans and Card Member Receiva_3

Loans and Card Member Receivables - Summary (Details) - USD ($) $ in Millions	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022
Card Member Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	$ 134,548		$ 125,995
Less: Reserves for credit losses	5,588	$ 5,321	5,118	$ 4,721	$ 4,390	$ 3,747
Financing receivables, net	128,960		120,877
Card Member Loans \| Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	102,236		98,111
Card Member Loans \| Small Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	32,275		27,833
Card Member Loans \| Corporate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	37		51
Other Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less: Reserves for credit losses	154		126
Financing receivables, net	8,306		6,960
Card Member Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	59,042		60,411
Less: Reserves for credit losses	156	$ 171	174	$ 174	$ 210	$ 229
Financing receivables, net	58,886		60,237
Card Member Receivables \| Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	23,426		25,578
Card Member Receivables \| Small Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	18,925		19,286
Card Member Receivables \| Corporate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	16,691		15,547
Variable Interest Entity, Primary Beneficiary \| Card Member Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	26,935		28,590
Variable Interest Entity, Primary Beneficiary \| Card Member Loans \| Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	26,900		28,600
Variable Interest Entity, Primary Beneficiary \| Card Member Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	4,530		4,587
Variable Interest Entity, Primary Beneficiary \| Card Member Receivables \| Corporate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	$ 4,500		$ 4,600

Loans and Card Member Receiva_4

Loans and Card Member Receivables - Aging (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Card Member Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Threshold period past due	30 days
Financing receivables, gross	$ 134,548	$ 125,995
Loans and receivables threshold period for write off	180 days
Card Member Loans \| Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	$ 102,236	98,111
90+ days past due and still accruing interest	409	393
Non-accruals	391	344
Card Member Loans \| Small Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	32,275	27,833
90+ days past due and still accruing interest	125	109
Non-accruals	116	95
Card Member Loans \| Corporate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	37	51
90+ days past due and still accruing interest	0	0
Non-accruals	$ 0	0
Card Member Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Threshold period past due	30 days
Financing receivables, gross	$ 59,042	60,411
Loans and receivables threshold period for write off	180 days
Card Member Receivables \| Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	$ 23,426	25,578
90+ days past due and still accruing interest	0	0
Non-accruals	0	0
Card Member Receivables \| Small Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	18,925	19,286
90+ days past due and still accruing interest	0	0
Non-accruals	0	0
Card Member Receivables \| Corporate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	16,691	15,547
90+ days past due and still accruing interest	0	0
Non-accruals	0	0
Current \| Card Member Loans \| Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	100,819	96,779
Current \| Card Member Loans \| Small Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	31,813	27,444
Current \| Card Member Receivables \| Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	23,245	25,355
Current \| Card Member Receivables \| Small Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	18,704	19,020
30 to 59 Days Past Due \| Card Member Loans \| Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	446	420
30 to 59 Days Past Due \| Card Member Loans \| Small Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	154	133
30 to 59 Days Past Due \| Card Member Receivables \| Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	59	70
30 to 59 Days Past Due \| Card Member Receivables \| Small Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	83	104
60 to 89 Days Past Due \| Card Member Loans \| Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	327	298
60 to 89 Days Past Due \| Card Member Loans \| Small Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	108	85
60 to 89 Days Past Due \| Card Member Receivables \| Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	41	47
60 to 89 Days Past Due \| Card Member Receivables \| Small Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	51	62
90+ Days Past Due \| Card Member Loans \| Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	644	614
90+ Days Past Due \| Card Member Loans \| Small Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	200	171
90+ Days Past Due \| Card Member Loans \| Corporate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	0	0
90+ Days Past Due \| Card Member Receivables \| Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	81	106
90+ Days Past Due \| Card Member Receivables \| Small Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	87	100
90+ Days Past Due \| Card Member Receivables \| Corporate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivables, gross	$ 67	$ 67

Loans and Card Member Receiva_5

Loans and Card Member Receivables - Credit Quality (Details)	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Credit Quality Indicator for Loans and Receivables
90+ Days Past Billing as a % of total	0.40%	0.50%
Card Member Loans \| Consumer
Credit Quality Indicator for Loans and Receivables
30+ Days Past Due as a % of Total	1.40%	1.30%
Card Member Loans \| Small Business
Credit Quality Indicator for Loans and Receivables
30+ Days Past Due as a % of Total	1.40%	1.30%
Card Member Loans \| Net Write-Off Rate - Principal Only \| Consumer
Credit Quality Indicator for Loans and Receivables
Net Write-Off Rate	2.20%	1.70%
Card Member Loans \| Net Write-Off Rate - Principal Only \| Small Business
Credit Quality Indicator for Loans and Receivables
Net Write-Off Rate	2.20%	1.50%
Card Member Loans \| Net Write-Off Rate Principal Interest, and Fees \| Consumer
Credit Quality Indicator for Loans and Receivables
Net Write-Off Rate	2.80%	2.10%
Card Member Loans \| Net Write-Off Rate Principal Interest, and Fees \| Small Business
Credit Quality Indicator for Loans and Receivables
Net Write-Off Rate	2.60%	1.80%
Card Member Receivables \| Consumer
Credit Quality Indicator for Loans and Receivables
30+ Days Past Due as a % of Total	0.80%	1%
Card Member Receivables \| Small Business
Credit Quality Indicator for Loans and Receivables
30+ Days Past Due as a % of Total	1.20%	1.30%
Card Member Receivables \| Net Write-Off Rate - Principal Only \| Consumer
Credit Quality Indicator for Loans and Receivables
Net Write-Off Rate	1.30%	1.60%
Card Member Receivables \| Net Write-Off Rate - Principal Only \| Small Business
Credit Quality Indicator for Loans and Receivables
Net Write-Off Rate	2%	2.30%
Card Member Receivables \| Net Write-Off Rate Principal Interest, and Fees \| Consumer
Credit Quality Indicator for Loans and Receivables
Net Write-Off Rate	1.40%	1.70%
Card Member Receivables \| Net Write-Off Rate Principal Interest, and Fees \| Small Business
Credit Quality Indicator for Loans and Receivables
Net Write-Off Rate	2.10%	2.40%
Card Member Receivables \| Net Write-Off Rate Principal Interest, and Fees \| Corporate
Credit Quality Indicator for Loans and Receivables
Net Write-Off Rate	0.60%	0.60%

Loans and Card Member Receiva_6

Loans and Card Member Receivables - Modifications (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Financing Receivable, Troubled Debt Restructuring [Line Items]
Maximum payment term extension			60 months
Unused credit available	$ 70	$ 48	$ 70	$ 48
Account Balances	956	1,044	2,630	2,320
Card Member Loans \| Interest Rate Reduction \| Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account Balances	$ 511	$ 542	$ 1,438	$ 1,113
% of Total Class of Financing Receivables	0.50%	0.60%	1.40%	1.20%
Weighted Average Interest Rate Reduction (% points)	18.30%	16.40%	18.20%	16.10%
Card Member Loans \| Interest Rate Reduction \| Small Business
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account Balances	$ 185	$ 167	$ 514	$ 411
% of Total Class of Financing Receivables	0.60%	0.60%	1.60%	1.50%
Weighted Average Interest Rate Reduction (% points)	17.60%	15.90%	17.50%	15.70%
Card Member Loans \| Interest Rate Reduction \| Corporate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account Balances	$ 0	$ 0	$ 0	$ 0
% of Total Class of Financing Receivables	0%	0%	0%	0%
Weighted Average Interest Rate Reduction (% points)	0%	0%	0%	0%
Card Member Receivables \| Term Extension \| Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account Balances	$ 89	$ 126	$ 232	$ 282
% of Total Class of Financing Receivables	0.40%	0.60%	1%	1.30%
Weighted Average Payment Term Extensions (# of months)	31 months	30 months	30 months	27 months
Card Member Receivables \| Term Extension \| Small Business
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account Balances	$ 138	$ 181	$ 359	$ 455
% of Total Class of Financing Receivables	0.70%	0.90%	1.90%	2.30%
Weighted Average Payment Term Extensions (# of months)	31 months	30 months	30 months	27 months
Card Member Receivables \| Term Extension \| Corporate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account Balances	$ 9	$ 4	$ 15	$ 12
% of Total Class of Financing Receivables	0.10%	0.02%	0.10%	0.10%
Weighted Average Payment Term Extensions (# of months)	10 months	10 months	9 months	10 months
Other Loans \| Interest Rate Reduction and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account Balances	$ 16	$ 16	$ 46	$ 28
% of Total Class of Financing Receivables	0.20%	0.20%	0.50%	0.40%
Weighted Average Interest Rate Reduction (% points)	2.50%	2.10%	2.50%	2%
Weighted Average Payment Term Extensions (# of months)	20 months	20 months	20 months	19 months
Other Loans \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account Balances	$ 8	$ 8	$ 26	$ 19
% of Total Class of Financing Receivables	0.10%	0.10%	0.30%	0.30%
Weighted Average Interest Rate Reduction (% points)	0%	0%	0%	0%
Weighted Average Payment Term Extensions (# of months)	16 months	19 months	18 months	18 months

Loans and Card Member Receiva_7

Loans and Card Member Receivables - Modifications Subsequently Defaulted (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	$ 95	$ 0	$ 134	$ 0
Interest Rate Reduction and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	2		2
Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	75		108
Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	18		24
Card Member Loans \| Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	52		75
Card Member Loans \| Small Business
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	23		33
Card Member Loans \| Corporate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	0		0
Card Member Loans \| Interest Rate Reduction and Term Extension \| Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	0		0
Card Member Loans \| Interest Rate Reduction and Term Extension \| Small Business
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	0		0
Card Member Loans \| Interest Rate Reduction and Term Extension \| Corporate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	0		0
Card Member Loans \| Interest Rate Reduction \| Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	52		75
Card Member Loans \| Interest Rate Reduction \| Small Business
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	23		33
Card Member Loans \| Interest Rate Reduction \| Corporate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	0		0
Card Member Receivables \| Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	6		8
Card Member Receivables \| Small Business
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	12		16
Card Member Receivables \| Corporate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	0		0
Card Member Receivables \| Interest Rate Reduction and Term Extension \| Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	0		0
Card Member Receivables \| Interest Rate Reduction and Term Extension \| Small Business
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	0		0
Card Member Receivables \| Interest Rate Reduction and Term Extension \| Corporate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	0		0
Card Member Receivables \| Term Extension \| Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	6		8
Card Member Receivables \| Term Extension \| Small Business
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	12		16
Card Member Receivables \| Term Extension \| Corporate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	0		0
Other Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	2		2
Other Loans \| Interest Rate Reduction and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	2		2
Other Loans \| Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	0		0
Other Loans \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balance	$ 0		$ 0

Loans and Card Member Receiva_8

Loans and Card Member Receivables - Performance (Details) - USD ($) $ in Millions	Sep. 30, 2024	Sep. 30, 2023
Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	$ 2,939	$ 2,096
30-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	252	176
90+ Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	95	48
Card Member Loans \| Current \| Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	1,647	1,020
Card Member Loans \| Current \| Small Business
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	556	366
Card Member Loans \| Current \| Corporate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	0	0
Card Member Loans \| 30-89 Days Past Due \| Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	124	73
Card Member Loans \| 30-89 Days Past Due \| Small Business
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	59	34
Card Member Loans \| 30-89 Days Past Due \| Corporate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	0	0
Card Member Loans \| 90+ Days Past Due \| Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	48	20
Card Member Loans \| 90+ Days Past Due \| Small Business
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	23	11
Card Member Loans \| 90+ Days Past Due \| Corporate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	0	0
Card Member Receivables \| Current \| Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	261	257
Card Member Receivables \| Current \| Small Business
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	386	402
Card Member Receivables \| Current \| Corporate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	11	9
Card Member Receivables \| 30-89 Days Past Due \| Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	19	20
Card Member Receivables \| 30-89 Days Past Due \| Small Business
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	41	43
Card Member Receivables \| 30-89 Days Past Due \| Corporate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	3	2
Card Member Receivables \| 90+ Days Past Due \| Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	6	5
Card Member Receivables \| 90+ Days Past Due \| Small Business
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	14	10
Card Member Receivables \| 90+ Days Past Due \| Corporate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	2	1
Other Loans \| Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	78	42
Other Loans \| 30-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	6	4
Other Loans \| 90+ Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Account balances	$ 2	$ 1

Reserves for Credit Losses (Det

Reserves for Credit Losses (Details Textual)	Sep. 30, 2024
Financing Receivable, Past Due [Line Items]
CECL reasonable and supportable period	3 years
Pay in full loans
Financing Receivable, Past Due [Line Items]
Loans and receivables threshold period for write off	180 days
Revolving loans
Financing Receivable, Past Due [Line Items]
Loans and receivables threshold period for write off	180 days
Term loans
Financing Receivable, Past Due [Line Items]
Loans and receivables threshold period for write off	120 days

Reserves for Credit Losses - Ke

Reserves for Credit Losses - Key Variables (Details)	Sep. 30, 2024	Dec. 31, 2023
U.S. Unemployment Rate \| Third quarter of 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, reserves for credit losses, measurement input	0.04
U.S. Unemployment Rate \| Minimum \| Third quarter of 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, reserves for credit losses, measurement input		0.03
U.S. Unemployment Rate \| Minimum \| Fourth quarter of 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, reserves for credit losses, measurement input	0.04	0.03
U.S. Unemployment Rate \| Minimum \| Fourth quarter of 2025
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, reserves for credit losses, measurement input	0.03	0.03
U.S. Unemployment Rate \| Minimum \| Fourth quarter of 2026
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, reserves for credit losses, measurement input	0.03	0.03
U.S. Unemployment Rate \| Maximum \| Third quarter of 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, reserves for credit losses, measurement input		0.07
U.S. Unemployment Rate \| Maximum \| Fourth quarter of 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, reserves for credit losses, measurement input	0.06	0.08
U.S. Unemployment Rate \| Maximum \| Fourth quarter of 2025
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, reserves for credit losses, measurement input	0.08	0.07
U.S. Unemployment Rate \| Maximum \| Fourth quarter of 2026
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, reserves for credit losses, measurement input	0.07	0.06
U.S. GDP Growth (Contraction) \| Third quarter of 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, reserves for credit losses, measurement input	0.02
U.S. GDP Growth (Contraction) \| Fourth quarter of 2025
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, reserves for credit losses, measurement input		0.02
U.S. GDP Growth (Contraction) \| Minimum \| Third quarter of 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, reserves for credit losses, measurement input		(0.03)
U.S. GDP Growth (Contraction) \| Minimum \| Fourth quarter of 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, reserves for credit losses, measurement input	(0.03)	0.01
U.S. GDP Growth (Contraction) \| Minimum \| Fourth quarter of 2025
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, reserves for credit losses, measurement input	0.01
U.S. GDP Growth (Contraction) \| Minimum \| Fourth quarter of 2026
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, reserves for credit losses, measurement input	0.02	0.02
U.S. GDP Growth (Contraction) \| Maximum \| Third quarter of 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, reserves for credit losses, measurement input		0.04
U.S. GDP Growth (Contraction) \| Maximum \| Fourth quarter of 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, reserves for credit losses, measurement input	0.04	0.03
U.S. GDP Growth (Contraction) \| Maximum \| Fourth quarter of 2025
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, reserves for credit losses, measurement input	0.03
U.S. GDP Growth (Contraction) \| Maximum \| Fourth quarter of 2026
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, reserves for credit losses, measurement input	0.03	0.03

Reserves for Credit Losses - Ch

Reserves for Credit Losses - Changes in Loan Reserve (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Provisions for credit losses	$ 1,356	$ 1,233	$ 3,893	$ 3,486
Card Member Loans
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	5,321	4,390	5,118	3,747
Provisions for credit losses	1,114	982	3,098	2,691
Other	6	(12)	(7)	5
Ending Balance	5,588	4,721	5,588	4,721
Card Member Loans \| Principal
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Net write-offs	(701)	(525)	(2,159)	(1,412)
Recoveries	192	138	530	396
Card Member Loans \| Interest and fees
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Net write-offs	$ (152)	$ (114)	$ (462)	$ (310)

Reserves for Credit Losses - _2

Reserves for Credit Losses - Changes in Receivables Reserve (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Provisions for credit losses	$ 1,356	$ 1,233	$ 3,893	$ 3,486
Card Member Receivables
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	171	210	174	229
Provisions for credit losses	170	206	592	658
Net write-offs	(187)	(241)	(609)	(714)
Other	2	(1)	(1)	1
Ending Balance	156	174	156	174
Recoveries	$ 74	$ 73	$ 228	$ 218

Investment Securities - Summary

Investment Securities - Summary (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Debt Securities, Available-for-Sale [Line Items]
Accrued interest available-for-sale debt securities	$ 3	$ 5
Debt securities
Cost	1,233
Estimated Fair Value	1,225	2,120
Equity securities
Cost	50	60
Gross Unrealized Gains	0	16
Gross Unrealized Losses	(7)	(10)
Estimated Fair Value	43	66
Total Cost	1,283	2,198
Total Gross Unrealized Gains	2	17
Total Gross Unrealized Losses	(17)	(29)
Total Estimated Fair Value	1,268	2,186
State and municipal obligations
Debt securities
Cost	57	61
Gross Unrealized Gains	1	0
Gross Unrealized Losses	(8)	(6)
Estimated Fair Value	50	55
U.S. Government agency obligations
Debt securities
Cost	4	4
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	4	4
U.S. Government treasury obligations
Debt securities
Cost	270	1,217
Gross Unrealized Gains	1	1
Gross Unrealized Losses	(2)	(12)
Estimated Fair Value	269	1,206
Mortgage-backed securities
Debt securities
Cost	11	12
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	(1)
Estimated Fair Value	11	11
Foreign government bonds and obligations
Debt securities
Cost	817	770
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	817	770
Other
Debt securities
Cost	74	74
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	$ 74	$ 74

Investment Securities - Gross U

Investment Securities - Gross Unrealized Losses (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Estimated Fair Value
Less than 12 months	$ 0	$ 0
12 months or more	145	1,154
Gross Unrealized Losses
Less than 12 months	0	0
12 months or more	(10)	(19)
State and municipal obligations
Estimated Fair Value
Less than 12 months	0	0
12 months or more	23	33
Gross Unrealized Losses
Less than 12 months	0	0
12 months or more	(8)	(6)
U.S. Government treasury obligations
Estimated Fair Value
Less than 12 months	0	0
12 months or more	122	1,114
Gross Unrealized Losses
Less than 12 months	0	0
12 months or more	(2)	(12)
Mortgage-backed securities
Estimated Fair Value
Less than 12 months	0	0
12 months or more	0	7
Gross Unrealized Losses
Less than 12 months	0	0
12 months or more	$ 0	$ (1)

Investment Securities - Gross_2

Investment Securities - Gross Unrealized Losses Ratio to Fair Value (Details) $ in Millions	Sep. 30, 2024 USD ($) security	Dec. 31, 2023 USD ($) security
Number of Securities
Less than 12 months \| security	0	0
12 months or more \| security	10	71
Total \| security	10	71
Estimated Fair Value
Less than 12 months	$ 0	$ 0
12 months or more	145	1,154
Total	145	1,154
Gross Unrealized Losses
Less than 12 months	0	0
12 months or more	(10)	(19)
Total	$ (10)	$ (19)
90–100%
Number of Securities
Less than 12 months \| security	0	0
12 months or more \| security	7	69
Total \| security	7	69
Estimated Fair Value
Less than 12 months	$ 0	$ 0
12 months or more	129	1,140
Total	129	1,140
Gross Unrealized Losses
Less than 12 months	0	0
12 months or more	(2)	(14)
Total	$ (2)	$ (14)
Less than 90%
Number of Securities
Less than 12 months \| security	0	0
12 months or more \| security	3	2
Total \| security	3	2
Estimated Fair Value
Less than 12 months	$ 0	$ 0
12 months or more	16	14
Total	16	14
Gross Unrealized Losses
Less than 12 months	0	0
12 months or more	(8)	(5)
Total	$ (8)	$ (5)

Investment Securities - Contrac

Investment Securities - Contractual Maturities (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Cost
Due within 1 year	$ 867
Due after 1 year but within 5 years	285
Due after 5 years but within 10 years	32
Due after 10 years	49
Total	1,233
Estimated Fair Value
Due within 1 year	867
Due after 1 year but within 5 years	284
Due after 5 years but within 10 years	33
Due after 10 years	41
Total	$ 1,225	$ 2,120

Asset Securitizations (Details)

Asset Securitizations (Details) - USD ($)	Sep. 30, 2024	Dec. 31, 2023
Assets from Trusts [Line Items]
Restricted cash and cash equivalents	$ 471,000,000	$ 514,000,000
American Express Lending Trust
Assets from Trusts [Line Items]
Direct and Indirect ownership of variable interests	10,500,000,000	15,300,000,000
Restricted cash and cash equivalents	101,000,000	66,000,000
American Express Charge Trust
Assets from Trusts [Line Items]
Direct and Indirect ownership of variable interests	4,500,000,000	4,600,000,000
Restricted cash and cash equivalents	$ 0	$ 0

Customer Deposits - Categorized

Customer Deposits - Categorized as Interest or Non-interest Bearing (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
U.S.:
Interest-bearing	$ 134,476	$ 128,146
Non-interest-bearing (includes Card Member credit balances of: 2024, $483; 2023, $495)	532	557
Non-U.S.:
Interest-bearing	17	12
Non-interest-bearing (includes Card Member credit balances of: 2024, $410; 2023, $426)	413	429
Total customer deposits	135,438	129,144
Card Member Credit Balances
U.S.:
Non-interest-bearing (includes Card Member credit balances of: 2024, $483; 2023, $495)	483	495
Non-U.S.:
Non-interest-bearing (includes Card Member credit balances of: 2024, $410; 2023, $426)	$ 410	$ 426

Customer Deposits - By Deposit

Customer Deposits - By Deposit Type (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Deposits, by Type
Savings accounts	$ 105,465	$ 92,324
Checking accounts	1,839	1,398
Certificates of deposit:
Direct	4,882	5,557
Third-party (brokered)	6,851	12,960
Sweep accounts – Third-party (brokered)	15,439	15,907
Total U.S. interest-bearing deposits	134,476	128,146
Other deposits	69	77
Total customer deposits	135,438	129,144
Card Member Credit Balances
Certificates of deposit:
Card Member credit balances	$ 893	$ 921

Customer Deposits - Scheduled M

Customer Deposits - Scheduled Maturities (Details) $ in Millions	Sep. 30, 2024 USD ($)
Time Deposits By Maturity
2024	$ 1,810
2025	6,575
2026	1,453
2027	1,001
2028	701
After 5 Years	204
Total	11,744
Non-U.S. direct certificates of deposit	$ 11

Customer Deposits (Details Text

Customer Deposits (Details Textual) - USD ($) $ in Billions	Sep. 30, 2024	Dec. 31, 2023
Deposits [Abstract]
Certificates of deposit that met or exceeded the insured limit	$ 1.6	$ 1.8

Contingencies (Details Textual)

Contingencies (Details Textual)	Sep. 30, 2024 USD ($) state
Minimum
Loss Contingencies [Line Items]
Loss contingency, estimate of possible loss \| $	$ 0
Maximum
Loss Contingencies [Line Items]
Loss contingency, estimate of possible loss \| $	$ 450,000,000
Violation of Federal Antitrust Law and Consumer Laws Class Action Case \| Holders of Visa and MasterCard Debit Cards
Loss Contingencies [Line Items]
Number of states with remaining claims \| state	8
Violation of Federal Antitrust Law and Consumer Laws Class Action Case \| Holders of Visa, MasterCard and Discover Credit Cards with no Rewards or Annual Fee
Loss Contingencies [Line Items]
Number of states with remaining claims \| state	2

Derivatives and Hedging Activ_3

Derivatives and Hedging Activities (Details Textual) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Derivatives, Fair Value [Line Items]
Margin on interest rate swaps	$ 405		$ 405		$ 175
Carrying values of hedged liabilities	20,000		20,000		11,700
Cumulative amount of fair value hedging adjustment	534		534		53
Net increase in interest expense on long term debt and other	82	$ 47	214	$ 130
Credit Valuation Adjustment
Derivatives, Fair Value [Line Items]
Derivative, amount of hedged item	0		0		0
Fair Value Hedges \| Fixed-Rate Debt Obligations
Derivatives, Fair Value [Line Items]
Derivative, amount of hedged item	19,600		19,600		11,700
Net Investment Hedges
Derivatives, Fair Value [Line Items]
Notional amount of derivatives	14,500		14,500		14,100
Gains (losses) on net investment hedges, net of taxes	(96)	244	187	(261)
Reclassifications out of AOCI			0	0
Foreign Exchange Contract \| Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Notional amount of derivatives	28,400		28,400		25,300
Foreign Exchange Contract \| Not Designated as Hedging Instrument \| Other Expense
Derivatives, Fair Value [Line Items]
Gains in changes in fair value of derivatives not designated as hedges	24	26	67	56
Embedded Derivative \| Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Notional amount of derivatives	78		78		$ 78
Embedded Derivative \| Not Designated as Hedging Instrument \| Noninterest Income
Derivatives, Fair Value [Line Items]
Gains (losses) on embedded derivative	$ 5	$ (12)	$ 4	$ (12)

Derivatives and Hedging Activ_4

Derivatives and Hedging Activities - Derivatives Summary (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Derivatives, Fair Value [Line Items]
Derivative, gross, assets	$ 371	$ 80
Derivatives, gross, liabilities	758	977
Derivative asset and derivative liability netting, assets	(234)	(57)
Derivative asset and derivative liability netting, liabilities	(234)	(57)
Cash collateral netting, assets	0	0
Cash collateral netting, liabilities	(30)	(106)
Total derivatives assets, net	137	23
Total derivatives liabilities, net	494	814
Other Assets \| Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivative, gross, assets	186	9
Other Assets \| Interest Rate Contract \| Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivative, gross, assets	0	0
Other Assets \| Foreign Exchange Contract \| Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivative, gross, assets	186	9
Other Assets \| Foreign Exchange Contract \| Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivative, gross, assets	185	71
Other Liabilities \| Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivatives, gross, liabilities	338	554
Other Liabilities \| Interest Rate Contract \| Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivatives, gross, liabilities	19	99
Other Liabilities \| Foreign Exchange Contract \| Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivatives, gross, liabilities	319	455
Other Liabilities \| Foreign Exchange Contract \| Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivatives, gross, liabilities	$ 420	$ 423

Derivatives and Hedging Activ_5

Derivatives and Hedging Activities - Gains and Losses (Details) - Interest Rate Contract - Fair Value Hedges - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Derivative Instruments, Gain (Loss) [Line Items]
Fixed-rate long-term debt	$ (554)	$ 52	$ (481)	$ 14
Derivatives designated as hedging instruments	550	(52)	476	(15)
Total	$ (4)	$ 0	$ (5)	$ (1)

Fair Values - Measured at Fair

Fair Values - Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Investment securities:
Equity securities	$ 43	$ 66
Debt securities	1,225	2,120
Derivative, gross, assets	371	80
Total Assets	1,639	2,266
Liabilities
Derivatives, gross, liabilities	758	977
Total Liabilities	758	977
Level 1
Investment securities:
Equity securities	43	66
Debt securities	0	0
Derivative, gross, assets	0	0
Total Assets	43	66
Liabilities
Derivatives, gross, liabilities	0	0
Total Liabilities	0	0
Level 2
Investment securities:
Equity securities	0	0
Debt securities	1,151	2,046
Derivative, gross, assets	349	62
Total Assets	1,500	2,108
Liabilities
Derivatives, gross, liabilities	758	977
Total Liabilities	758	977
Level 3
Investment securities:
Equity securities	0	0
Debt securities	74	74
Derivative, gross, assets	22	18
Total Assets	96	92
Liabilities
Derivatives, gross, liabilities	0	0
Total Liabilities	$ 0	$ 0

Fair Values - Not Measured at F

Fair Values - Not Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Card Member Receivables
Fair Values (Textuals)
Financing receivables, gross	$ 59,042	$ 60,411
Card Member Loans
Fair Values (Textuals)
Financing receivables, gross	134,548	125,995
Variable Interest Entity, Primary Beneficiary \| Card Member Receivables
Fair Values (Textuals)
Financing receivables, gross	4,530	4,587
Variable Interest Entity, Primary Beneficiary \| Card Member Loans
Fair Values (Textuals)
Financing receivables, gross	26,935	28,590
Carrying Value
Financial assets for which carrying values equal or approximate fair value
Cash and cash equivalents	48,000	47,000
Other financial assets	62,000	63,000
Financial assets carried at other than fair value
Card Member and Other loans, less reserves	137,000	128,000
Financial Liabilities:
Financial liabilities for which carrying values equal or approximate fair value	151,000	143,000
Financial liabilities carried at other than fair value
Long-term debt	54,000	48,000
Fair Values (Textuals)
Long-term debt	54,000	48,000
Carrying Value \| Certificates of Deposit
Financial liabilities carried at other than fair value
Financial liabilities	12,000	19,000
Corresponding Fair Value Amount
Financial assets for which carrying values equal or approximate fair value
Cash and cash equivalents	48,000	47,000
Other financial assets	62,000	63,000
Financial Liabilities:
Financial liabilities for which carrying values equal or approximate fair value	151,000	143,000
Corresponding Fair Value Amount \| Variable Interest Entity, Primary Beneficiary \| Card Member Receivables
Fair Values (Textuals)
Financing receivables, gross	4,500	4,600
Corresponding Fair Value Amount \| Level 1
Financial assets for which carrying values equal or approximate fair value
Cash and cash equivalents	47,000	45,000
Other financial assets	0	0
Financial Liabilities:
Financial liabilities for which carrying values equal or approximate fair value	0	0
Corresponding Fair Value Amount \| Level 2
Financial assets for which carrying values equal or approximate fair value
Cash and cash equivalents	1,000	2,000
Other financial assets	62,000	63,000
Financial Liabilities:
Financial liabilities for which carrying values equal or approximate fair value	151,000	143,000
Corresponding Fair Value Amount \| Level 3
Financial assets for which carrying values equal or approximate fair value
Cash and cash equivalents	0	0
Other financial assets	0	0
Financial Liabilities:
Financial liabilities for which carrying values equal or approximate fair value	0	0
Portion at Other than Fair Value Measurement
Financial assets carried at other than fair value
Card Member and Other loans, less reserves	143,000	133,000
Financial liabilities carried at other than fair value
Long-term debt	54,000	48,000
Fair Values (Textuals)
Long-term debt	54,000	48,000
Portion at Other than Fair Value Measurement \| Variable Interest Entity, Primary Beneficiary
Financial liabilities carried at other than fair value
Long-term debt	16,800	13,300
Fair Values (Textuals)
Long-term debt	16,800	13,300
Portion at Other than Fair Value Measurement \| Variable Interest Entity, Primary Beneficiary \| Card Member Loans
Fair Values (Textuals)
Financing receivables, gross	27,000	28,600
Portion at Other than Fair Value Measurement \| Certificates of Deposit
Financial liabilities carried at other than fair value
Financial liabilities	12,000	18,000
Portion at Other than Fair Value Measurement \| Level 1
Financial assets carried at other than fair value
Card Member and Other loans, less reserves	0	0
Financial liabilities carried at other than fair value
Long-term debt	0	0
Fair Values (Textuals)
Long-term debt	0	0
Portion at Other than Fair Value Measurement \| Level 1 \| Certificates of Deposit
Financial liabilities carried at other than fair value
Financial liabilities	0	0
Portion at Other than Fair Value Measurement \| Level 2
Financial assets carried at other than fair value
Card Member and Other loans, less reserves	0	0
Financial liabilities carried at other than fair value
Long-term debt	54,000	48,000
Fair Values (Textuals)
Long-term debt	54,000	48,000
Portion at Other than Fair Value Measurement \| Level 2 \| Certificates of Deposit
Financial liabilities carried at other than fair value
Financial liabilities	12,000	18,000
Portion at Other than Fair Value Measurement \| Level 3
Financial assets carried at other than fair value
Card Member and Other loans, less reserves	143,000	133,000
Financial liabilities carried at other than fair value
Long-term debt	0	0
Fair Values (Textuals)
Long-term debt	0	0
Portion at Other than Fair Value Measurement \| Level 3 \| Certificates of Deposit
Financial liabilities carried at other than fair value
Financial liabilities	$ 0	$ 0

Fair Values (Details Textual)

Fair Values (Details Textual) - Fair Value, Nonrecurring - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value of equity securities without readily determinable fair values	$ 900		$ 900		$ 900
Net upward adjustments of equity securities without readily determinable fair values	1	$ 0	68	$ 0
Net downward adjustments of equity securities without readily determinable fair values	20	$ 17	31	$ 122
Cumulative net unrealized gains for equity investments without readily determinable fair values	1,100		1,100		1,100
Cumulative net unrealized losses for equity investments without readily determinable fair values	456		456		431
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value of equity securities without readily determinable fair values	$ 13		$ 13		$ 0

Guarantees (Details)

Guarantees (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Guarantees [Abstract]
Maximum potential amount of undiscounted future payments	$ 1,000	$ 1,000
Amount of related liability	$ 12	$ 24

Changes in Accumulated Other _3

Changes in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	$ 29,540	$ 26,703	$ 28,057	$ 24,711
Net change	5	(92)	(123)	34
Ending Balance	29,707	27,324	29,707	27,324
Tax impact for the changes in each component of accumulated other comprehensive (loss) income
Tax expense (benefit)	(33)	77	27	(15)
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(3,200)	(3,084)	(3,072)	(3,210)
Net change	5	(92)	(123)	34
Ending Balance	(3,195)	(3,176)	(3,195)	(3,176)
Net Unrealized Gains (Losses) on Debt Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(10)	(44)	(14)	(64)
Net change	4	14	8	34
Ending Balance	(6)	(30)	(6)	(30)
Tax impact for the changes in each component of accumulated other comprehensive (loss) income
Tax expense (benefit)	0	5	2	11
Foreign Currency Translation Adjustment Gains (Losses), net of hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(2,707)	(2,569)	(2,571)	(2,622)
Net change	1	(110)	(135)	(57)
Ending Balance	(2,706)	(2,679)	(2,706)	(2,679)
Tax impact for the changes in each component of accumulated other comprehensive (loss) income
Tax expense (benefit)	(26)	66	30	(32)
Net Unrealized Pension and Other Postretirement Benefit Gains (Losses)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(483)	(471)	(487)	(524)
Net change	0	4	4	57
Ending Balance	(483)	(467)	(483)	(467)
Tax impact for the changes in each component of accumulated other comprehensive (loss) income
Tax expense (benefit)	$ (7)	$ 6	$ (5)	$ 6

Changes in Accumulated Other _4

Changes in Accumulated Other Comprehensive Income (Loss) (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss)	$ 5,000,000	$ (92,000,000)	$ (123,000,000)	$ 34,000,000
Decrease due to amounts reclassified into earnings
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss)	$ 0	$ 0	$ 0	$ 0

Service Fees and Other Revenu_3

Service Fees and Other Revenue and Other Expenses - Service Fees and Other Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Non Interest Income [Line Items]
Total Service fees and other revenue	$ 12,630	$ 11,939	$ 37,265	$ 35,186
Service fees and other revenue
Non Interest Income [Line Items]
Service fees	370	375	1,197	1,114
Foreign currency-related revenue	401	374	1,140	1,071
Delinquency fees	236	245	705	717
Travel commissions and fees	157	183	481	476
Other fees and revenues	103	84	316	333
Total Service fees and other revenue	$ 1,267	$ 1,261	$ 3,839	$ 3,711

Service Fees and Other Revenu_4

Service Fees and Other Revenue and Other Expenses - Other Expenses (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Service Fees and Other Revenue and Other Expenses [Abstract]
Data processing and equipment	$ 725	$ 704	$ 2,083	$ 2,041
Professional services	579	477	1,576	1,384
Gain on sale of Accertify	0	0	(531)	0
Other	476	424	1,166	1,288
Total Other expenses	$ 1,780	$ 1,605	$ 4,294	$ 4,713

Income Taxes (Details Textual)

Income Taxes (Details Textual) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
Income Taxes (Details Textual) - USD ($) $ in Millions	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Tax Disclosure [Abstract]
Effective tax rates	21.80%	20.90%	21.50%	19.50%
Unrecognized tax benefits change as a result of potential resolutions of prior years' tax	$ 102		$ 102
Unrecognized tax benefits that, if recognized, could impact effective tax rate	81		81
Tax credit investments	$ 1,558	$ 1,263	$ 1,558	$ 1,263

Income Taxes - Tax Credit Inves

Income Taxes - Tax Credit Investments Expenses and Related Income Tax Credits and Other Tax Benefits (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Tax Disclosure [Abstract]
Proportional amortization recognized in tax provision	$ 48	$ 39	$ 143	$ 122
Income tax credits and Other income tax benefits recognized in tax provision	$ 51	$ 49	$ 164	$ 153

Earnings Per Common Share (EP_3

Earnings Per Common Share (EPS) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended				9 Months Ended
	Sep. 30, 2024		Sep. 30, 2023		Sep. 30, 2024		Sep. 30, 2023
Basic and diluted:
Net income	$ 2,507		$ 2,451		$ 7,959		$ 6,441
Preferred dividends	(15)		(14)		(44)		(43)
Net income available to common shareholders	2,492		2,437		7,915		6,398
Earnings allocated to participating share awards	(18)		(19)		(59)		(50)
Net income attributable to common shareholders	$ 2,474		$ 2,418		$ 7,856		$ 6,348
Denominator:
Basic: Weighted-average common stock (in shares)	708		732		715		738
Add: Weighted-average stock options (in shares)	1		1		1		1
Diluted (in shares)	709		733		716		739
Basic EPS (in dollars per share)	$ 3.50	[1]	$ 3.30	[1]	$ 10.99	[2]	$ 8.60	[2]
Diluted EPS (in dollars per share)	$ 3.49	[1]	$ 3.30	[1]	$ 10.97	[2]	$ 8.59	[2]
Stock Option
Denominator:
The dilutive effect of securities excluded from the calculation of earnings per share (in shares)	0.1		1.4		0.1		1.4

[1] Represents net income less (i) earnings allocated to participating share awards of $18 million and $19 million for the three months ended September 30, 2024 and 2023, respectively, and (ii) dividends on preferred shares of $15 million and $14 million for the three months ended September 30, 2024 and 2023, respectively. Represents net income less (i) earnings allocated to participating share awards of $59 million and $50 million for the nine months ended September 30, 2024 and 2023, respectively, and (ii) dividends on preferred shares of $44 million and $43 million for the nine months ended September 30, 2024 and 2023, respectively.

Reportable Operating Segments_2

Reportable Operating Segments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Segment Reporting Information [Line Items]
Total non-interest revenues	$ 12,630	$ 11,939	$ 37,265	$ 35,186
Revenue from contracts with customers	9,716	9,377	28,873	27,656
Interest income	6,149	5,240	17,718	14,431
Interest expense	2,143	1,798	6,213	4,901
Total revenues net of interest expense	16,636	15,381	48,770	44,716
Pretax income (loss)	3,204	3,100	10,139	8,001
Total assets	270,979	250,587	270,979	250,587	$ 261,108
Corporate and Other
Segment Reporting Information [Line Items]
Total non-interest revenues	(28)	(44)	(39)	(94)
Revenue from contracts with customers	(7)	(8)	(3)	(28)
Interest income	686	579	2,054	1,571
Interest expense	747	603	2,218	1,643
Total revenues net of interest expense	(89)	(68)	(203)	(166)
Pretax income (loss)	(809)	(709)	(1,926)	(1,821)
Total assets	44,250	36,467	44,250	36,467
USCS \| Operating Segments
Segment Reporting Information [Line Items]
Total non-interest revenues	5,028	4,680	14,823	13,682
Revenue from contracts with customers	3,620	3,464	10,785	10,182
Interest income	3,722	3,228	10,677	8,937
Interest expense	806	700	2,325	1,898
Total revenues net of interest expense	7,944	7,208	23,175	20,721
Pretax income (loss)	1,659	1,584	4,832	3,964
Total assets	106,201	98,218	106,201	98,218
CS \| Operating Segments
Segment Reporting Information [Line Items]
Total non-interest revenues	3,304	3,257	9,831	9,665
Revenue from contracts with customers	2,886	2,864	8,603	8,505
Interest income	1,142	881	3,198	2,379
Interest expense	448	391	1,292	1,076
Total revenues net of interest expense	3,998	3,747	11,737	10,968
Pretax income (loss)	908	852	2,691	2,195
Total assets	59,716	56,585	59,716	56,585
ICS \| Operating Segments
Segment Reporting Information [Line Items]
Total non-interest revenues	2,659	2,390	7,644	7,006
Revenue from contracts with customers	1,724	1,558	4,983	4,527
Interest income	588	538	1,748	1,502
Interest expense	311	285	921	770
Total revenues net of interest expense	2,936	2,643	8,471	7,738
Pretax income (loss)	455	387	997	829
Total assets	43,073	38,553	43,073	38,553
GMNS \| Operating Segments
Segment Reporting Information [Line Items]
Total non-interest revenues	1,667	1,656	5,006	4,927
Revenue from contracts with customers	1,493	1,499	4,505	4,470
Interest income	11	14	41	42
Interest expense	(169)	(181)	(543)	(486)
Total revenues net of interest expense	1,847	1,851	5,590	5,455
Pretax income (loss)	991	986	3,545	2,834
Total assets	$ 17,739	$ 20,764	$ 17,739	$ 20,764