v3.25.4

BUSINESS SEGMENTS - Summary of Segment Revenue, Segment Expenses, and Segment Profits (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue |  | $ 26,186 | $ 25,100 | $ 23,713
Depreciation, amortization, and other |  | 213 | 183 | 189
General and administrative | [1] | 870 | 945 | 867
OPERATING INCOME |  | 4,141 | 3,767 | 3,864
Net fee revenues |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Gross fee revenues |  | 5,438 | 5,170 | 4,824
Contract investment amortization |  | (135) | (103) | (88)
Revenue |  | 5,303 | 5,067 | 4,736
Owned, leased, and other |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue |  | 1,679 | 1,551 | 1,564
Operating costs | [1] | 1,461 | 1,329 | 1,309
Reimbursements |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue | [2] | 19,204 | 18,482 | 17,413
Operating costs | [2] | 19,503 | 18,799 | 17,424
Total segment |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue |  | 23,419 | 22,576 | 21,394
Total segment | U.S. & Canada |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue |  | 19,349 | 18,612 | 17,696
Depreciation, amortization, and other |  | 108 | 84 | 84
General and administrative |  | 118 | 113 | 114
Other segment items |  | (5) | (5) | (5)
OPERATING INCOME |  | 2,679 | 2,640 | 2,724
Total segment | EMEA |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue |  | 2,407 | 2,406 | 2,268
Depreciation, amortization, and other |  | 40 | 38 | 40
General and administrative |  | 104 | 90 | 84
Other segment items |  | (3) | (5) | (2)
OPERATING INCOME |  | 525 | 512 | 441
Total segment | Greater China |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue |  | 590 | 582 | 600
Depreciation, amortization, and other |  | 12 | 9 | 10
General and administrative |  | 52 | 45 | 42
Other segment items |  | (2) | (1) | (2)
OPERATING INCOME |  | 185 | 186 | 208
Total segment | APEC |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue |  | 1,073 | 976 | 830
Depreciation, amortization, and other |  | 9 | 8 | 9
General and administrative |  | 63 | 53 | 47
Other segment items |  | 2 | (4) | (8)
OPERATING INCOME |  | 301 | 280 | 243
Total segment | Net fee revenues | U.S. & Canada |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Gross fee revenues |  | 3,004 | 2,951 | 2,799
Contract investment amortization |  | (83) | (76) | (65)
Revenue |  | 2,921 | 2,875 | 2,734
Total segment | Net fee revenues | EMEA |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Gross fee revenues |  | 640 | 589 | 529
Contract investment amortization |  | (19) | (14) | (13)
Revenue |  | 621 | 575 | 516
Total segment | Net fee revenues | Greater China |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Gross fee revenues |  | 261 | 250 | 265
Contract investment amortization |  | (1) | (1) | 0
Revenue |  | 260 | 249 | 265
Total segment | Net fee revenues | APEC |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Gross fee revenues |  | 376 | 345 | 288
Contract investment amortization |  | (6) | (5) | (4)
Revenue |  | 370 | 340 | 284
Total segment | Owned, leased, and other | U.S. & Canada |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue |  | 528 | 437 | 506
Operating costs |  | 434 | 399 | 380
Total segment | Owned, leased, and other | EMEA |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue |  | 592 | 595 | 574
Operating costs |  | 530 | 519 | 537
Total segment | Owned, leased, and other | Greater China |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue |  | 26 | 27 | 18
Operating costs |  | 28 | 24 | 25
Total segment | Owned, leased, and other | APEC |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue |  | 162 | 141 | 135
Operating costs |  | 146 | 129 | 130
Total segment | Reimbursements | U.S. & Canada |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue |  | 15,900 | 15,300 | 14,456
Operating costs |  | 16,015 | 15,381 | 14,399
Total segment | Reimbursements | EMEA |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue |  | 1,194 | 1,236 | 1,178
Operating costs |  | 1,211 | 1,252 | 1,168
Total segment | Reimbursements | Greater China |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue |  | 304 | 306 | 317
Operating costs |  | 315 | 319 | 317
Total segment | Reimbursements | APEC |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Revenue |  | 541 | 495 | 411
Operating costs |  | $ 552 | $ 510 | $ 409
[1] | In the 2025 fourth quarter, we reclassified amounts attributable to other expenses previously reported under the “General, administrative, and other” caption to the “Owned, leased, and other expense” caption of our Income Statements. See Note 1 for additional information.
[2] | See Note 15 for disclosure of related party amounts.

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