| Assets | — | — |
| Current assets | — | — |
| Cash and cash equivalents | 2,408a | 2,130a |
| Short-term investments | 566a | 63a |
| Accounts receivable, net of allowances for credit losses of $32 in 2024 and $35 in 2023 | 1,801a | 1,659a |
| Other current assets | 515a | 489a |
| Total current assets | 5,290a | 4,341a |
| Property and equipment, net of accumulated depreciation of $1,453 in 2024 and $1,272 in 2023 | 656a | 603a |
| Operating lease right-of-use assets | 216a | 277a |
| Goodwill | 5,994a | 5,956a |
| Intangible assets, net | 1,890a | 2,049a |
| Deferred tax assets, net | 293a | 258a |
| Other assets | 1,166a | 1,138a |
| Total assets | 15,505a | 14,622a |
| Liabilities and shareholders’ equity | — | — |
| Current liabilities | — | — |
| Accounts payable and accrued liabilities | 1,344a | 1,076a |
| Current portion of operating lease liabilities | 102a | 108a |
| Current portion of long-term debt | 697a | 0a |
| Deferred revenue | 1,454a | 1,316a |
| Total current liabilities | 3,597a | 2,500a |
| Non-current portion of deferred revenue | 57a | 65a |
| Long-term debt | 6,731a | 7,001a |
| Deferred tax liabilities, net | 449a | 402a |
| Uncertain tax positions | 211a | 196a |
| Operating lease liabilities | 216a | 306a |
| Other liabilities | 517a | 676a |
| Total liabilities | 11,778a | 11,146a |
| Shareholders’ equity | — | — |
| Preferred stock, par value $0.01 per share; 10,000,000 shares authorized; no shares issued and outstanding | 0a | 0a |
| Series common stock, par value $0.01 per share; 10,000,000 shares authorized; no shares issued and outstanding | 0a | 0a |
| Common stock, par value $0.01 per share; 1,000,000,000 shares authorized; 342,902,272 shares issued at December 31, 2024 and December 31, 2023, respectively | 3a | 3a |
| Capital surplus | 1,451a | 1,228a |
| Retained earnings | 16,071a | 14,659a |
| Treasury stock, at cost; 162,593,213 and 160,430,754 shares of common stock at December 31, 2024 and December 31, 2023, respectively | -13,322a | -12,005a |
| Accumulated other comprehensive loss | -638a | -567a |
| Total Moody’s shareholders’ equity | 3,565a | 3,318a |
| Noncontrolling interests | 162a | 158a |
| Total shareholders’ equity | 3,727a | 3,476a |
| Total liabilities and shareholders’ equity | 15,505a | 14,622a |