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v3.22.4

Employee Retirement Plans (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Defined contribution plans [Abstract] |  |  |
Company contributions to all defined contribution plans expensed | $ 793 | $ 749 | $ 561
Maximum age after retirement that employees may use accrued unused sick time to pay for medical and dental premiums | 65 years |  |
Change in benefit obligation [Roll Forward] |  |  |
APBO at beginning of period | $ 330 | 428 |
Service cost | 19 | 25 | 22
Interest cost | 9 | 10 | 10
Benefits paid | (11) | (24) |
Actuarial gain | (106) | (109) |
APBO at end of period | 241 | 330 | 428
Reconciliation of funded status to accrued postretirement benefit cost recognized on the balance sheet [Abstract] |  |  |
Funded status | (241) | (330) |
Unrecognized net actuarial gain | (173) | (69) |
Unrecognized prior service cost | 3 | 3 |
Accumulated other comprehensive income | 170 | 66 |
Consolidated Balance Sheet liability | (241) | (330) |
Components of periodic postretirement benefit cost [Abstract] |  |  |
Service cost | 19 | 25 | 22
Interest cost | 9 | 10 | 10
Amortization of prior service cost | 0 | 0 | 1
Amortization of net gain | $ (2) | $ 0 | $ 0
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Curtailment Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Salaries, wages, and benefits | Salaries, wages, and benefits | Salaries, wages, and benefits
Curtailment | $ 0 | $ 0 | $ 53
Special termination benefits | 0 | 0 | 2
Net periodic postretirement benefit cost | $ 26 | $ 35 | $ 88
Actuarial assumptions used to account for postretirement benefit plans [Abstract] |  |  |
Weighted-average discount rate (as a percent) | 5.60% | 2.90% | 2.45%
Assumed healthcare cost trend rate (as a percent) | 6.50% | 6.25% | 6.75%
Assumed healthcare cost trend rates [Abstract] |  |  |
Assumed healthcare cost trend rate | 6.50% |  |
Assumed healthcare cost decline trend rate | 4.75% |  |

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- Definition Maximum age after retirement that employees may use accrued unused sick time to pay for medical and dental premiums if they meet minimum levels of service and age requirements set forth by the company or as specified in collective bargaining agreements. + References No definition available. + Details
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- Definition Amount, before tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit). + 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 (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 + Details
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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation 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 Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. + 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 (a)(6) -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 60 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=6414203&loc=d3e39716-114964 + 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 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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