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Other Financial Data - Other Income (Expense) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 02, 2022 | Jul. 03, 2021 | Jul. 02, 2022 | Jul. 03, 2021
Interest income (expense), net: |  |  |  |
Interest expense | $ (59) | $ (46) | $ (117) | $ (102)
Interest income | 3 | 2 | 5 | 4
Interest income (expense), net | (56) | (44) | (112) | (98)
Other, net: |  |  |  |
Net periodic pension and postretirement benefit (Note 8) | 30 | 31 | 63 | 60
Loss from the extinguishment of long-term debt | (6) | (18) | (6) | (18)
Investment impairments | 0 | 0 | (1) | 0
Foreign currency gain (loss) | 27 | (6) | 50 | 8
Loss on derivative instruments (Note 6) | (34) | (1) | (57) | (9)
Gain (loss) on equity method investments | (2) | 2 | (2) | 3
Fair value adjustments to equity investments | (12) | 8 | (30) | 13
Gain on TETRA Ireland equity method investment | 0 | 0 | 21 | 0
Other | (5) | (2) | (5) | 3
Total other income (expense) | $ (2) | $ 14 | $ 33 | $ 60

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