Table of Contents 17.Accumulated other comprehensive income (loss) Comprehensive income and its components are presented in Statement 2. Changes in Accumulated other comprehensive income (loss), net of tax, included in Statement 4, consisted of the following: (Millions of dollars) Foreign currency translation Pension and other postretirement benefits Derivative financial instruments Available-for- sale securities Total Balance at December 31, 2016 $ (1,970) $ 14 $ (115) $ 32 $ (2,039) Other comprehensive income (loss) before reclassifications 752 48 (3) 41 838 Amounts reclassified from accumulated other comprehensive (income) loss 13 (16) 77 (65) 9 Other comprehensive income (loss) 765 32 74 (24) 847 Balance at December 31, 2017 $ (1,205) $ 46 $ (41) $ 8 $ (1,192) Adjustment to adopt recognition and measurement of financial assets and liabilities guidance — — — (11) (11) Balance at January 1, 2018 (1,205) 46 (41) (3) (1,203) Other comprehensive income (loss) before reclassifications (397) (6) 61 (12) (354) Amounts reclassified from accumulated other comprehensive (income) loss 1 (28) (100) — (127) Other comprehensive income (loss) (396) (34) (39) (12) (481) Balance at December 31, 2018 $ (1,601) $ 12 $ (80) $ (15) $ (1,684) Adjustment to adopt new accounting guidance related to reclassification of certain tax effects from accumulated other comprehensive income 98 19 (9) — 108 Balance at January 1, 2019 (1,503) 31 (89) (15) (1,576) Other comprehensive income (loss) before reclassifications 16 (4) 43 35 90 Amounts reclassified from accumulated other comprehensive (income) loss — (30) (51) — (81) Other comprehensive income (loss) 16 (34) (8) 35 9 Balance at December 31, 2019 $ (1,487) $ (3) $ (97) $ 20 $ (1,567) 121