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Employee Benefit Plans - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items] |  |  |
Funded (unfunded) status of the plan | $ 51 | $ 84 |
Defined benefit plan, net periodic benefit expense | 142 | 43 |
Cost for defined contribution retirement plans | 52 | 53 | $ 52
Amount not yet recognized in net periodic benefit income (expense) | $ 9 | 0 |
Fixed income securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined benefit plan, target allocation percentage | 90.00% |  |
Defined benefit plan, target allocation percentage to hedge projected liabilities | 100.00% |  |
Equity securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined benefit plan, target allocation percentage | 10.00% |  |
U.S. equities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined benefit plan, target allocation within equity securities | 50.00% |  |
Non-US Equity |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined benefit plan, target allocation within equity securities | 50.00% |  |
Postretirement Medical Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Funded (unfunded) status of the plan | $ (30) | (41) |
Amount not yet recognized in net periodic benefit income (expense) | (1) | $ 0 |
Qualified Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Funded (unfunded) status of the plan | $ 106 |  |
Expected long-term rate of return on plan assets | 5.40% | 5.00% |
Discount rate - net periodic benefit costs | 2.43% | 1.96% |
Non-Qualified Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Funded (unfunded) status of the plan | $ (55) |  |
Employer contributions | $ 5 |  |
Minimum | Postretirement Medical Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Discount rate - net periodic benefit costs | 2.14% | 1.56% | 2.66%
Minimum | Qualified Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Expected long-term rate of return on plan assets |  |  | 5.60%
Discount rate - net periodic benefit costs |  |  | 2.96%
Minimum | Non-Qualified Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Discount rate - net periodic benefit costs | 1.70% | 1.11% | 2.40%
Maximum | Postretirement Medical Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Discount rate - net periodic benefit costs | 2.79% | 2.34% | 3.22%
Maximum | Non-Qualified Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Discount rate - net periodic benefit costs | 2.23% | 1.71% | 2.78%

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- Definition Amount, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669686-108580 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (i-k) -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669646-108580 + Details
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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(3) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e2919-114920 + Details
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- Definition Amount of contribution expected to be received by defined benefit plan from employer in next fiscal year following current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 18 -URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4587-114921 + Details
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- Definition Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=123453770&loc=d3e1703-114919 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 + Details
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- Definition Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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