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v3.21.2

Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Statement of Comprehensive Income [Abstract] |  |  |  |
Net income attributable to Biogen Inc. | $ 448.5 | $ 1,542.1 | $ 858.7 | $ 2,941.2
Other comprehensive income: |  |  |  |
Unrealized gains (losses) on securities available for sale, net of tax | (0.5) | 8.7 | (1.3) | 0.9
Unrealized gains (losses) on cash flow hedges, net of tax | (11.0) | (51.2) | 138.6 | (17.4)
Gains (losses) on net investment hedges | (2.3) | (6.2) | 20.1 | 16.8
Unrealized gains (losses) on pension benefit obligation, net of tax | 0.4 | 0.1 | 2.4 | 0.9
Currency translation adjustment | 15.9 | 16.9 | (32.6) | (47.0)
Total other comprehensive income (loss), net of tax | 2.5 | (31.7) | 127.2 | (45.8)
Comprehensive income attributable to Biogen Inc. | 451.0 | 1,510.4 | 985.9 | 2,895.4
Comprehensive income (loss) attributable to noncontrolling interests, net of tax | 576.9 | 65.5 | 572.0 | 59.6
Comprehensive income (loss) attributable to noncontrolling interests, net of tax | $ 1,027.9 | $ 1,575.9 | $ 1,557.9 | $ 2,955.0

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