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Consolidated Statement of Comprehensive Income (Unaudited) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 28, 2019 | Sep. 29, 2018 | Sep. 28, 2019 | Sep. 29, 2018
Statement of Comprehensive Income [Abstract] |  |  |  |
Net income | $ 248 | $ 383 | $ 825 | $ 1,426
Other comprehensive income (loss), pre-tax: |  |  |  |
Foreign currency translation adjustments, pre-tax | 35 | (5) | 96 | (29)
Cash flow hedges, pre-tax: |  |  |  |
Unrealized gain (loss) on cash flow hedges, pre-tax | (12) | 0 | (12) | 3
Reclassification to net income, pre-tax | (1) | 2 | 2 | 6
Postretirement and postemployment benefits reclassification to net income, pre-tax: |  |  |  |
Net experience (gain) loss | (1) | (1) | (3) | (3)
Prior service cost |  | (1) |  | (1)
Available-for-sale securities, pre-tax |  |  |  |
Unrealized gain (loss) on available-for-sale securities, pre-tax | 1 |  | 4 |
Reclassification to net income on available-for-sale securities, pre-tax | (4) |  | (4) |
Other comprehensive income (loss), pre-tax | 18 | (5) | 83 | (24)
Other comprehensive income (loss), tax (expense) benefit |  |  |  |
Foreign currency translation adjustments, tax (expense) benefit | (38) | (7) | (47) | (34)
Cash flow hedges, tax (expense) benefit: |  |  |  |
Unrealized gain (loss) on cash flow hedges, tax (expense) benefit | 4 | 0 | 4 | (1)
Reclassification to net income, tax (expense) benefit | 0 | (1) | (1) | (2)
Postretirement and postemployment benefits reclassification to net income, tax (expense) benefit: |  |  |  |
Net experience loss, tax (expense) benefit | 0 | 0 | 1 | 0
Prior service cost, tax (expense) benefit |  | 0 |  | 0
Available-for-sale securities, tax (expense) benefit |  |  |  |
Unrealized gain (loss) on available-for-sale securities, tax (expense) benefit | 0 |  | 0 |
Reclassification to net income on available for sale of securities, tax (expense) benefit | 0 |  | 0 |
Other comprehensive income (loss), tax (expense) benefit | (34) | (8) | (43) | (37)
Other comprehensive income (loss), after tax: |  |  |  |
Foreign currency translation adjustments, after-tax | (3) | (12) | 49 | (63)
Cash flow hedges, after tax |  |  |  |
Unrealized gain (loss) on cash flow hedges, after-tax | (8) | 0 | (8) | 2
Reclassification to net income, after-tax | (1) | 1 | 1 | 4
Postretirement and postemployment benefits reclassification to net income, after-tax: |  |  |  |
Net experience (gain) loss, after-tax | (1) | (1) | (2) | (3)
Prior service cost, after-tax |  | (1) |  | (1)
Available-for-sale securities, after tax |  |  |  |
Unrealized gain (loss) on available-for-sale securities, after-tax | 1 |  | 4 |
Reclassification to net income on available for sale securities, after tax | (4) |  | (4) |
Other comprehensive income (loss) | (16) | (13) | 40 | (61)
Comprehensive income | 232 | 370 | 865 | 1,365
Net income attributable to noncontrolling interests | 1 | 3 | 10 | 6
Other comprehensive income (loss) attributable to noncontrolling interests | (2) | (2) | 1 | (6)
Comprehensive income attributable to Kellogg Company | $ 233 | $ 369 | $ 854 | $ 1,365

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