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CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Statement of Comprehensive Income [Abstract] |  |  |  |
Net income | $ 2,194 | $ 1,834 | $ 3,249 | $ 3,439
Other comprehensive income/(loss), before tax: |  |  |  |
Foreign currency translation adjustments | (613) | 2 | (956) | 57
Net changes related to available-for-sale securities: |  |  |  |
Unrealized gains/(losses) arising during the period | (5) | 1 | 2 | 1
Reclassification of (gains)/losses to net income | 0 | 0 | 0 | 0
Total net changes related to available-for-sale securities | (5) | 1 | 2 | 1
Unrealized gains/(losses) on cash flow hedges: |  |  |  |
Unrealized gains/(losses) arising during the period | (82) | 103 | (141) | 279
Reclassification of (gains)/losses to net income | (419) | (42) | (742) | 28
Total unrealized gains/(losses) on cash flow hedges | (501) | 61 | (883) | 307
Retirement-related benefit plans: |  |  |  |
Prior service costs/(credits) | 0 | 0 | 0 | 0
Net gains/(losses) arising during the period | 0 | 0 | 0 | 1
Curtailments and settlements | 5 | 2 | 7 | 4
Amortization of prior service costs/(credits) | (2) | (2) | (4) | (4)
Amortization of net (gains)/losses | 157 | 258 | 308 | 519
Total retirement-related benefit plans | 160 | 259 | 311 | 520
Other comprehensive income/(loss), before tax | (959) | 322 | (1,525) | 885
Income tax (expense)/benefit related to items of other comprehensive income | 493 | (153) | 753 | (442)
Other comprehensive income/(loss), net of tax | (466) | 169 | (772) | 442
Total comprehensive income | $ 1,728 | $ 2,003 | $ 2,476 | $ 3,882

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