Table of Contents The Company’s future minimum rental commitments on non-cancelable leases at September 30, 2019, prior to the adoption of the new lease accounting standard, were estimated as follows: (Millions of dollars) 2020 $ 122  2021 103  2022 83  2023 57  2024 56  Thereafter 123  Total $ 546  (Millions of dollars) 2020 2019 2018 Royalty and licensing income (a) $ 17  $ 64  $ 51  Other investment gains, net 13  18  8  Deferred compensation 24  6  3  Net pension and postretirement benefit cost (b) 7  (2) (13) Losses on undesignated foreign exchange derivatives, net (17) (23) (14) Losses on debt extinguishment (c) (8) (59) (16) Product related matters (9) —  —  Hurricane-related insurance proceeds —  35  —  Vyaire Medical-related amounts and other income from divestitures (d) —  6  288  Other (3) (2) (3) Other income, net $ 23  $ 43  $ 305  (a) The amount in 2020 primarily represents licensing income. The amounts in 2019 and 2018 primarily represent the royalty income stream acquired in the Bard transaction, net of non-cash purchase accounting amortization. The royalty income stream was previously reported by Bard as revenues. (b) Represents all components of the Company’s net periodic pension and postretirement benefit costs, aside from service cost, as a result of the adoption of an accounting standard as further discussed in Note 2. (c) Represents losses recognized upon the extinguishment of certain senior notes, as further discussed in Note 16. (d) The amount in 2019 represents income from transition services agreements (“TSA”) related to the Company’s 2018 and 2017 divestitures.  The amount in 2018 includes the gain on the sale of the remaining ownership interest in its former Respiratory Solutions business and subsequent TSA income, net of the Company's share of equity investee results in the business. Additional disclosures regarding the Company’s divestiture transactions are provided in Note 11. 99 Note 19 — Supplemental Financial Information Other Income, Net Becton, Dickinson and Company Notes to Consolidated Financial Statements — (Continued)