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Note 17 - Commitments and Contingencies | 12 Months Ended
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Dec. 31, 2021
Notes to Financial Statements |
Commitments Contingencies and Guarantees [Text Block] | 17. Commitments and Contingencies Asserted and Unasserted Claims – Various claims and lawsuits are pending against us and certain of our subsidiaries. We cannot fully determine the effect of all asserted and unasserted claims on our consolidated results of operations, financial condition, or liquidity. To the extent possible, we have recorded a liability where asserted and unasserted claims are considered probable and where such claims can be reasonably estimated. We do not expect that any known lawsuits, claims, environmental costs, commitments, contingent liabilities, or guarantees will have a material adverse effect on our consolidated results of operations, financial condition, or liquidity after taking into account liabilities and insurance recoveries previously recorded for these matters. Personal Injury – The Federal Employers’ Liability Act (FELA) governs compensation for work-related accidents. Under FELA, damages are assessed based on a finding of fault through litigation or out-of-court settlements. We offer a comprehensive variety of services and rehabilitation programs for employees who are injured at work. Approximately 94% of the recorded liability is related to asserted claims and approximately 6% is related to unasserted claims at December 31, 2021. Because of the uncertainty surrounding the ultimate outcome of personal injury claims, it is reasonably possible that future costs to settle these claims may range from approximately $325 million to $358 million. We record an accrual at the low end of the range as no amount of loss within the range is more probable than any other. Estimates can vary over time due to evolving trends in litigation. Our personal injury liability activity was as follows:
Millions |  | 2021 |  |  | 2020 |  |  | 2019 |
Beginning balance |  | $ | 270 |  |  | $ | 265 |  |  | $ | 271 |
Current year accruals |  |  | 93 |  |  |  | 72 |  |  |  | 78 |
Changes in estimates for prior years |  |  | 48 |  |  |  | (3 | ) |  |  | (11 | )
Payments |  |  | (86 | ) |  |  | (64 | ) |  |  | (73 | )
Ending balance at December 31 |  | $ | 325 |  |  | $ | 270 |  |  | $ | 265 |
Current portion, ending balance at December 31 |  | $ | 64 |  |  | $ | 60 |  |  | $ | 63 |
Environmental Costs – We are subject to federal, state, and local environmental laws and regulations. We have identified 376 sites where we are or may be liable for remediation costs associated with alleged contamination or for violations of environmental requirements. This includes 28 sites that are the subject of actions taken by the U.S. government, 18 of which are currently on the Superfund National Priorities List. Certain federal legislation imposes joint and several liability for the remediation of identified sites; consequently, our ultimate environmental liability may include costs relating to activities of other parties, in addition to costs relating to our own activities at each site. Our environmental liability activity was as follows:
Millions |  | 2021 |  |  | 2020 |  |  | 2019 |
Beginning balance |  | $ | 233 |  |  | $ | 227 |  |  | $ | 223 |
Accruals |  |  | 69 |  |  |  | 76 |  |  |  | 67 |
Payments |  |  | (59 | ) |  |  | (70 | ) |  |  | (63 | )
Ending balance at December 31 |  | $ | 243 |  |  | $ | 233 |  |  | $ | 227 |
Current portion, ending balance at December 31 |  | $ | 60 |  |  | $ | 65 |  |  | $ | 62 |
The environmental liability includes future costs for remediation and restoration of sites, as well as ongoing monitoring costs, but excludes any anticipated recoveries from third-parties. Cost estimates are based on information available for each site, financial viability of other potentially responsible parties, and existing technology, laws, and regulations. The ultimate liability for remediation is difficult to determine because of the number of potentially responsible parties, site-specific cost sharing arrangements with other potentially responsible parties, the degree of contamination by various wastes, the scarcity and quality of volumetric data related to many of the sites, and the speculative nature of remediation costs. Estimates of liability may vary over time due to changes in federal, state, and local laws governing environmental remediation. Current obligations are not expected to have a material adverse effect on our consolidated results of operations, financial condition, or liquidity. Insurance – The Company has a consolidated, wholly-owned captive insurance subsidiary (the captive), that provides insurance coverage for certain risks including FELA claims and property coverage that are subject to reinsurance. The captive entered into annual reinsurance treaty agreements that insure workers compensation, general liability, auto liability, and FELA risk. The captive cedes a portion of its FELA exposure through the treaty and assumes a proportionate share of the entire risk. The captive receives direct premiums, which are netted against the Company’s premium costs in other expenses in the Consolidated Statements of Income. The treaty agreements provide for certain protections against the risk of treaty participants’ non-performance, and we do not believe our exposure to treaty participants’ non-performance is material at this time. We record both liabilities and reinsurance receivables using an actuarial analysis based on historical experience in our Consolidated Statements of Financial Position. Effective January 2019, the captive insurance subsidiary no longer participates in the reinsurance treaty agreement. The Company established a trust in the fourth quarter of 2018 for the purpose of providing collateral as required under the reinsurance treaty agreement for prior years’ participation. Indemnities – Our maximum potential exposure under indemnification arrangements, including certain tax indemnifications, can range from a specified dollar amount to an unlimited amount, depending on the nature of the transactions and the agreements. Due to uncertainty as to whether claims will be made or how they will be resolved, we cannot reasonably determine the probability of an adverse claim or reasonably estimate any adverse liability or the total maximum exposure under these indemnification arrangements. We do not have any reason to believe that we will be required to make any material payments under these indemnity provisions.

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