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Leases (Notes) | 6 Months Ended
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Jun. 30, 2021
Leases [Abstract] |
Operating Leases | LeasesOperating lease expenses were $115 million and $230 million for the three and six months ended June 30, 2021, respectively, and $108 million and $216 million for the three and six months ended June 30, 2020, respectively, inclusive of $35 million and $70 million for the three and six months ended June 30, 2021, respectively, and $32 million and $67 million for the three and six months ended June 30, 2020, respectively, of both short-term lease costs and variable lease costs that were not included in the measurement of operating lease liabilities. Cash paid for amounts included in the measurement of operating lease liabilities, recorded as operating cash flows in the statements of cash flows, were $162 million and $147 million for the six months ended June 30, 2021 and 2020, respectively. Operating lease right-of-use assets obtained in exchange for operating lease obligations were $209 million and $164 million for the six months ended June 30, 2021 and 2020, respectively. Supplemental balance sheet information related to leases is as follows.
| June 30, 2021 |  | December 31, 2020
Operating lease right-of-use assets: |  |  |
Included within other noncurrent assets | $ | 1,288 |  |  | $ | 1,214 |
Operating lease liabilities: |  |  |
Current portion included within accounts payable and accrued liabilities | $ | 258 |  |  | $ | 235 |
Long-term portion included within other long-term liabilities | 1,166 |  |  | 1,110 |
| $ | 1,424 |  |  | $ | 1,345 |
Weighted average remaining lease term for operating leases | 6.0 years |  | 6.4 years
Weighted average discount rate for operating leases | 3.6 | % |  | 3.9 | %
Maturities of operating lease liabilities as of June 30, 2021 are as follows.
Six months ended December 31, 2021 | $ | 165 |
2022 | 320 |
2023 | 299 |
2024 | 250 |
2025 | 199 |
Thereafter | 421 |
Undiscounted lease cash flow commitments | 1,654 |
Reconciling impact from discounting | (230) |
Lease liabilities on consolidated balance sheet as of June 30, 2021 | $ | 1,424 |
The Company has $64 million and $63 million of finance lease liabilities recognized in the consolidated balance sheets as of June 30, 2021 and December 31, 2020, respectively, included within accounts payable and accrued liabilities and other long-term liabilities. The related finance lease right-of-use assets are recorded in property, plant and equipment, net. The Company’s finance leases were not considered material for further supplemental lease disclosures.

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- Definition The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=77888251 + Details
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