Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Statement [Abstract]
Net revenue	$ 32,791	$ 28,167	$ 25,098
Operating Expenses:
General and administrative	11,318	10,193	8,927
Advertising and marketing	929	815	825
Depreciation and amortization	1,143	897	799
Provision for litigation	504	680	539
Total operating expenses	13,894	12,585	11,090
Operating income	18,897	15,582	14,008
Other Income (Expense):
Investment income	325	327	274
Gains (losses) on equity investments, net	(88)	(29)	(61)
Interest expense	(722)	(646)	(575)
Other income (expense), net	166	20	(7)
Total other income (expense)	(319)	(328)	(369)
Income before income taxes	18,578	15,254	13,639
Income tax expense	3,610	2,380	2,444
Net Income	$ 14,968	$ 12,874	$ 11,195
Basic Earnings per Share (in dollars per share)	$ 16.54	$ 13.91	$ 11.86
Basic weighted-average shares outstanding (in shares)	905	925	944
Diluted Earnings per Share (in dollars per share)	$ 16.52	$ 13.89	$ 11.83
Diluted weighted-average shares outstanding (in shares)	906	927	946

Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Operating Activities
Net Income	$ 14,968	$ 12,874	$ 11,195
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization of customer incentives	2,098	1,830	1,622
Depreciation and amortization	1,143	897	799
(Gains) losses on equity investments, net	88	29	61
Share-based compensation	597	526	460
Deferred income taxes	57	(527)	(236)
Other	139	191	22
Changes in operating assets and liabilities:
Accounts receivable	(642)	186	(546)
Income taxes receivable	(91)	(165)	(171)
Settlement assets	202	(593)	40
Prepaid expenses	(3,388)	(3,225)	(2,438)
Accrued litigation and legal settlements	(142)	205	(375)
Restricted security deposits held for customers	247	29	277
Accounts payable	45	75	(99)
Settlement obligations	89	922	282
Accrued expenses	1,836	1,587	571
Long-term taxes payable	(185)	(163)	(129)
Net change in other assets and liabilities	587	102	645
Net cash provided by operating activities	17,648	14,780	11,980
Investing Activities
Purchases of investment securities available-for-sale	(501)	(508)	(300)
Purchases of investments held-to-maturity	(28)	(108)	(347)
Proceeds from sales of investment securities available-for-sale	254	199	87
Proceeds from maturities of investment securities available-for-sale	232	262	191
Proceeds from maturities of investments held-to-maturity	52	378	157
Purchases of property and equipment	(489)	(474)	(371)
Capitalized software	(726)	(720)	(717)
Purchases of equity investments	(339)	(42)	(89)
Proceeds from sales of equity investments	181	125	44
Acquisition of businesses, net of cash acquired	0	(2,511)	0
Other investing activities	2	(3)	(6)
Net cash used in investing activities	(1,362)	(3,402)	(1,351)
Financing Activities
Purchases of treasury stock	(11,727)	(10,954)	(9,032)
Dividends paid	(2,756)	(2,448)	(2,158)
Proceeds from debt, net	1,242	3,960	1,554
Payment of debt	(750)	(1,336)	0
Tax withholdings related to share-based payments	(291)	(178)	(89)
Cash proceeds from employee stock plans	203	224	237
Other financing activities	(100)	(104)	0
Net cash used in financing activities	(14,179)	(10,836)	(9,488)
Effect of exchange rate changes on cash, cash equivalents, restricted cash and restricted cash equivalents	333	(199)	128
Net increase in cash, cash equivalents, restricted cash and restricted cash equivalents	2,440	343	1,269
Cash, cash equivalents, restricted cash and restricted cash equivalents - beginning of period	10,808	10,465	9,196
Cash, cash equivalents, restricted cash and restricted cash equivalents - end of period	$ 13,248	$ 10,808	$ 10,465

Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 10,566	$ 8,442
Restricted cash and restricted cash equivalents	561	492
Restricted security deposits held for customers	2,121	1,874
Investments	332	330
Accounts receivable	4,609	3,773
Settlement assets	1,626	1,821
Prepaid expenses and other current assets	3,743	2,992
Total current assets	23,558	19,724
Property, equipment and right-of-use assets, net	2,303	2,138
Deferred income taxes	1,567	1,614
Goodwill	9,560	9,193
Other intangible assets, net	5,554	5,453
Other assets	11,615	9,959
Total Assets	54,157	48,081
Current liabilities:
Accounts payable	999	929
Settlement obligations	2,409	2,316
Restricted security deposits held for customers	2,121	1,874
Accrued litigation	800	930
Accrued expenses	13,272	10,393
Short-term debt	749	750
Other current liabilities	2,412	2,028
Total current liabilities	22,762	19,220
Long-term debt	18,251	17,476
Deferred income taxes	307	317
Other liabilities	5,091	4,553
Total Liabilities	46,411	41,566
Commitments and Contingencies
Stockholders’ Equity
Additional paid-in-capital	6,907	6,442
Class A treasury stock, at cost, 518 and 497 shares, respectively	(83,224)	(71,431)
Retained earnings	85,035	72,907
Accumulated other comprehensive income (loss)	(981)	(1,433)
Mastercard Incorporated Stockholders' Equity	7,737	6,485
Non-controlling interests	9	30
Total Equity	7,746	6,515
Total Liabilities and Equity	54,157	48,081
Class A Common Stock
Stockholders’ Equity
Common stock value	0	0
Class B Common Stock
Stockholders’ Equity
Common stock value	$ 0	$ 0