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Employee Benefit Plans (Assumed Healthcare Cost Trend Rates) (Details) | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Before Age 65 |  |
Assumed healthcare costs trend rates |  |
Following year | 5.20% | 5.10%
Ultimate rate to which cost increase is assumed to decline | 3.70% | 3.70%
Year in which the ultimate trend rate is reached | 2074 | 2074
Age 65 and older |  |
Assumed healthcare costs trend rates |  |
Following year | 3.90% | 3.30%
Ultimate rate to which cost increase is assumed to decline | 4.50% | 3.80%
Year in which the ultimate trend rate is reached | 2100 | 2074

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- Definition Assumed rate, for next fiscal year, based on annual change in cost of health care cost benefits used to measure expected cost of benefits covered by defined benefit postretirement plan. Factors include, but are not limited to, estimate of health care inflation, change in health care utilization or delivery pattern, technological advances, and change in health status of participant. Excludes factors for change in composition of plan population by age and dependency status. + 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 (l) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Ultimate trend rate for health care cost for defined benefit postretirement 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 (l) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Definition Year ultimate health care cost trend rate is expected to be reached, in YYYY format. + 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 (l) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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