| Goodwill and Other Intangible Assets The changes in the net carrying amount of goodwill for the six months ended June 30, 2026 are as follows (in millions): | | | | | | | | | | | | | Risk Capital | Human Capital | Total | | Balance as of December 31, 2025 | $ | 9,551 | | $ | 6,246 | | $ | 15,797 | | | Goodwill related to current year acquisitions | 201 | | 11 | | 212 | | | | | | | | | | | Foreign currency translation and other | (92) | | (33) | | (125) | | | Balance as of June 30, 2026 | $ | 9,660 | | $ | 6,224 | | $ | 15,884 | |
Other intangible assets by asset class are as follows (in millions): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | June 30, 2026 | | December 31, 2025 | | | Gross Carrying Amount | | Accumulated
Amortization and Impairment | | Net Carrying Amount | | Gross Carrying Amount | | Accumulated
Amortization and Impairment | | Net Carrying Amount | | Customer-related and contract-based | $ | 7,968 | | | $ | 2,901 | | | $ | 5,067 | | | $ | 7,738 | | | $ | 2,644 | | | $ | 5,094 | | | Tradenames | 718 | | | 157 | | | 561 | | | 716 | | | 121 | | | 595 | | | Technology and other | 365 | | | 336 | | | 29 | | | 369 | | | 331 | | | 38 | | | Total | $ | 9,051 | | | $ | 3,394 | | | $ | 5,657 | | | $ | 8,823 | | | $ | 3,096 | | | $ | 5,727 | |
The estimated future amortization for finite-lived intangible assets as of June 30, 2026 is as follows (in millions): | | | | | | | Remainder of 2026 | $ | 347 | | | 2027 | 652 | | | 2028 | 598 | | | 2029 | 550 | | | 2030 | 501 | | | 2031 | 452 | | | Thereafter | 2,557 | | | | | Total | $ | 5,657 | |
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