v3.26.1
Consolidated Statement of Comprehensive (Loss)/Income (unaudited) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Statement of comprehensive income [abstract]        
Net income $ 0 $ 176 $ 189 $ 526
Other comprehensive income to be eventually recycled into the Consolidated Income Statement:        
Currency translation effects, net of taxes [1] (12) 141 (43) 194
Total of items to eventually recycle (12) 141 (43) 194
Other comprehensive income never to be recycled into the Consolidated Income Statement:        
Actuarial gains/(losses) from defined benefit plans, net of taxes [2] 3 (3) 5 5
Fair value adjustments on equity securities, net of taxes [3] (99) 51 (98) 63
Total of items never to be recycled (96) 48 (93) 68
Total comprehensive (loss)/income (108) 365 53 788
Total comprehensive (loss)/income for the period attributable to:        
Shareholders of Alcon Inc. (108) 365 53 788
Non-controlling interests $ 0 $ 0 $ 0 $ 0
[1] Amount is net of tax benefit of $0.5 million for the three months ended June 30, 2026. Amount is net of tax expense of $2 million for the three months ended June 30, 2025. Amount is net of tax benefit of $2 million for the six months ended June 30, 2026. Amount is net of tax expense of $3 million for the six months ended June 30, 2025.
[2] Amount is net of tax expense of $0.6 million for the three months ended June 30, 2026. Amount is net of tax benefit of $0.6 million for the three months ended June 30, 2025. Amounts are net of tax expense of $2 million and $1 million for the six months ended June 30, 2026 and 2025, respectively.
[3] Amount is net of tax benefit of $10 million for the three months ended June 30, 2026. Amount is net of tax expense of $8 million for the three months ended June 30, 2025. Amount is net of tax benefit of $10 million for the six months ended June 30, 2026. Amount is net of tax expense of $10 million for the six months ended June 30, 2025.