2020 2019 Accrued liabilities Accrued compensation and benefits $ 252 $ 234  Fair value of derivatives 11 8  Accrued trade and consumer promotion programs 156 135  Accrued interest 79 97  Restructuring 12 29  Operating lease liabilities 67 —  Other 116 106  $ 693 $ 609  Other liabilities Pension benefits $ 242 $ 179  Postretirement benefits 220 210  Operating lease liabilities 184 —  Deferred compensation 80 79  Unrecognized tax benefits 17 19  Restructuring 3 8  Other 74 64  $ 820 $ 559  2020 2019 2018 Other expenses / (income) Amortization of intangible assets $ 43 $ 48  $ 20  Impairment of intangible assets (1) — 16  54  Net periodic benefit expense (income) other than the service cost 30 43  (225) Pension settlement charges 43 28  —  Investment losses (2) 49 1  10  Loss on sale of business (3) 64 —  —  Transition services fees (10) —  —  Transaction costs (4) — —  53  Legal settlements — —  22  Other 2 4  (7) $ 221 $ 140  $ (73) Advertising and consumer promotion expense (5) $ 463 $ 347  $ 327  Interest expense Interest expense $ 350 $ 359  $ 186  Less: Interest capitalized 5 3  3  $ 345 $ 356  $ 183  (1) Depreciation expense was $285 in 2020, $389 in 2019 and $360 in 2018. Depreciation expense of continuing operations was $285 in 2020, $315 in 2019 and $259 in 2018. Buildings are depreciated over periods ranging from 7 to 45 years. Machinery and equipment are depreciated over periods generally ranging from 2 to 20 years. Statements of Earnings 82 ____________________________________  ____________________________________ 