Supplemental information related to leases was as follows: Maturities of operating lease liabilities were as follows: Supplemental cash flow information related to leases was as follows: (Millions of dollars) December 31, 2020 December 31, 2019 Operating Leases Other assets $ 603  $ 624  Other current liabilities $ 163  $ 173  Other liabilities $ 457  $ 461  Weighted average remaining lease term Operating leases 7 years 7 years Weighted average discount rates Operating leases 2 % 2 % (Millions of dollars) December 31, 2020 Amounts Due In 2021 $ 174  2022 118  2023 88  2024 66  2025 51  Thereafter 182  Total lease payments 679  Less: Imputed interest (59) Total $ 620  (Millions of dollars) Year ended December 31 2020 2019 Cash paid for amounts included in the measurement of lease liabilities Operating cash flows from operating leases $ 201  $ 224  Right-of-use assets obtained in exchange for lease obligations: Operating leases $ 178  $ 122  130