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Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2020

Retirement Benefits [Abstract]

Schedule of Changes in Accumulated Postretirement Benefits Obligations

Changes in Accumulated Postretirement Benefit Obligations:						2020						2019
Obligation at the Beginning of Year						$	1,498					$	1,154
Unrecognized Loss (Gain)						114						296
Components of Net Periodic Postretirement Benefit Cost
Service Cost						110						83
Interest Cost						41						43
Net Expected Benefit Payments						(96)						(92)
Amendments						(33)						14
Obligation at End of Year						$	1,634					$	1,498

Schedule of Components of Postretirement Benefit Expense

Components of Postretirement Benefit Expense:						2020						2019						2018
Service Cost						$	110					$	83					$	69
Interest Cost						41						43						34
Amortization of Prior Service Costs						2						—						—
Amortization of Unrecognized Net (Gain) Loss						64						37						32
Net Postretirement Benefit Expense						217						163						135
Net Gain (Loss) During Period Recognized in Other Comprehensive Income (Loss)						15						273						41
Total Recognized in Net Postretirement Benefit Expense and Other Comprehensive Income						$	232					$	436					$	176

Schedule of Assumptions Used to Determine Net Periodic Cost and Benefit Obligations

Assumptions Used to Determine Net Periodic Cost and Benefit Obligations:						2020						2019						2018
Discount Rate						1.81		%				2.81		%				3.91		%

Schedule of Assumption of Health Care Cost Trend Rates at Year-end

Assumed Health Care Cost Trend Rates at Year-end:						2020						2019
Health Care Cost Trend Rate Assumed for Next Year						8.00		%				8.00		%
Rate that the Cost Trend Rate Gradually Declines to						4.50		%				4.50		%
Year that the Rate Reaches the Rate it is Assumed to Remain at						2027						2026

Schedule of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates

A one-percentage-point change in assumed health care cost trend rates would have the following effects as of December 31, 2020:

						One-Percentage-Point Increase						One-Percentage-Point Decrease
Effect on Total of Service and Interest Cost						$	15					$	(13)
Effect on Postretirement Benefit Obligation						$	122					$	(108)

Schedule of Estimated Future Benefits

The following postretirement benefit payments, which reflect expected future service, are expected to be paid:

2021						$	121
2022						117
2023						130
2024						115
2025						124
2026-2030						761

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Tabular disclosure of assumption used to determine benefit obligation and net periodic benefit cost of defined benefit plan. Includes, but is not limited to, discount rate, rate of compensation increase, expected long-term rate of return on plan assets and interest crediting rate.

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Tabular disclosure of the change in the accumulated postemployment benefit obligation from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination benefits.

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Tabular disclosure of the effect of a one-percentage-point increase and the effect of a one-percentage-point decrease in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs and the accumulated postretirement benefit obligation for health care benefits.

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Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter.

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Tabular disclosure of the assumed health care cost trend rates for the next year used to measure the expected cost of benefits covered by the plans, including the ultimate trend rate(s) and when that rate is expected to be achieved.

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Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

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