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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)

12 Months Ended

Dec. 31, 2018

Real Estate Investment Trust Election (REIT)

OUR ELECTION TO BE TAXED AS A REAL ESTATE INVESTMENT TRUST (REIT)

Starting with our 2010 fiscal year, we elected to be taxed as a REIT. REIT income can be distributed to shareholders without first paying corporate level tax, substantially eliminating the double taxation on income. We expect to derive most of our REIT income from investments in timberlands, including the sale of standing timber through pay-as-cut sales contracts and lump sum timber deeds.

We were no longer subject to the REIT built-in gains tax as of December 31, 2014. Our built-in gains tax period expired in 2015 due to a change in U.S. tax law that statutorily shortened the built-in gains tax period to 5 years from 10 years. This means we are no longer subject to federal corporate level income taxes on sales of REIT property that had a fair market value in excess of tax basis when we converted to a REIT on January 1, 2010. We continue to be required to pay federal corporate income taxes on earnings of our Taxable REIT Subsidiary (TRS), which includes our Wood Products segment and portions of our Timberlands and Real Estate, Energy and Natural Resources (Real Estate & ENR) segments.

Consolidated Financial Statements

Our consolidated financial statements provide an overall view of our results and financial condition. They include our accounts and the accounts of entities that we control, including:


•	majority-owned domestic and foreign subsidiaries and


•	variable interest entities in which we are the primary beneficiary.

They do not include our intercompany transactions and accounts, which are eliminated.

Our Business Segments

Reportable business segments are determined based on the company’s "management approach," as defined by Financial Accounting Standards Board (FASB) ASC 280, “Segment Reporting.” The management approach is based on the way the chief operating decision maker organizes the segments within a company for making decisions about resources to be allocated and assessing their performance.

We are principally engaged in:


•	growing and harvesting timber;


•	manufacturing, distributing and selling products made from trees;


•	maximizing the value of every acre we own through the sale of higher and better use (HBU) properties; and


•	monetizing reserves of minerals, oil, gas, coal, and other natural resources on our timberlands.

Our business segments are organized based primarily on products and services.

Our Business Segments and Products



SEGMENT	PRODUCTS AND SERVICES
Timberlands	Logs, timber and leased recreational access
Real Estate & ENR	Sales of timberlands, rights to explore for and extract hard minerals, construction materials, oil and gas production, wind, solar and coal
Wood Products	Softwood lumber, engineered wood products, structural panels, medium density fiberboard and building materials distribution

We also transfer raw materials, semi-finished materials and end products among our business segments. Because of this intracompany activity, accounting for our business segments involves pricing products transferred between our business segments at current market values.

Foreign Currency Translation

Local currencies are the functional currencies for most of our operations outside the U.S. We translate foreign currencies into U.S. dollars in two ways:


•	assets and liabilities — at the exchange rates in effect as of our balance sheet date; and


•	revenues and expenses — at average monthly exchange rates throughout the year.

Estimates

We prepare our financial statements according to U.S. generally accepted accounting principles (U.S. GAAP). This requires us to make estimates and assumptions during our reporting periods and at the date of our financial statements. The estimates and assumptions affect our:


•	reported amounts of assets, liabilities and equity;


•	disclosure of contingent assets and liabilities; and


•	reported amounts of revenues and expenses.

While we do our best in preparing these estimates, actual results can and do differ from those estimates and assumptions.

Fair Value Measurements

We use a fair value hierarchy in accounting for certain nonfinancial assets and liabilities including:


•	long-lived assets (asset groups) measured at fair value for an impairment assessment;


•	pension plan assets measured at fair value; and


•	asset retirement obligations initially measured at fair value.

The fair value hierarchy is based on inputs to valuation techniques that are used to measure fair value that are either observable or unobservable. Observable inputs reflect assumptions market participants would use in pricing an asset or liability based on market data obtained from independent sources while unobservable inputs reflect a reporting entity’s pricing based upon its own market assumptions.

The fair value hierarchy consists of the following three levels:

Reclassifications

We have reclassified certain balances and results from prior years to be consistent with our 2018 reporting. This makes year-to-year comparisons easier. Our reclassifications had no effect on consolidated net earnings or equity.

New Accounting Pronouncements

Lease Recognition

In February 2016, the FASB issued Accounting Standards Update (ASU) 2016-02, which requires lessees to recognize assets and liabilities for the rights and obligations created by those leases and requires leases to be recognized on the balance sheet. The new guidance is effective for fiscal years beginning after December 15, 2018, and early adoption is permitted.

We adopted this standard on January 1, 2019, using the modified retrospective transition approach at the beginning of the adoption period through a cumulative-effect adjustment to retained earnings. With this adoption approach, financial information will not be updated and disclosures required under the new standard will not be provided for dates and periods before January 1, 2019. In addition, the standard provides a number of optional practical expedients in transition. The adoption resulted in the recognition of additional right-of-use assets and lease liabilities for operating leases of less than 2 percent of our total assets on our Consolidated Balance Sheet. These leases are primarily related to vehicles, equipment, office and warehouse leases disclosed in Note 15: Legal Proceedings, Commitments and Contingencies.

Reclassification of Certain Amounts from Accumulated Other Comprehensive Loss

In February 2018, the FASB issued ASU 2018-02, which allows for the reclassification of certain income tax effects related to the Tax Cuts and Jobs Act (Tax Act) between “Accumulated other comprehensive loss” and “Retained earnings.” This ASU provides that adjustments to deferred tax liabilities and assets related to a change in tax laws be included in “Income from continuing operations”, even in situations where the related items were originally recognized in “Other comprehensive income (loss).” The amendments in this ASU are effective for all entities for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years, with early adoption permitted. Adoption of this ASU is to be applied either in the period of adoption or retrospectively to each period in which the effect of the change in the tax laws was recognized. We adopted this ASU during first quarter 2018 using the period of adoption method, which resulted in a reclassification of $253 million from "Accumulated other comprehensive loss" to "Retained earnings" on our Consolidated Balance Sheet due to changes in federal statutory and effective state rates. In general, tax effects unrelated to the Tax Act are released from accumulated other comprehensive loss using the portfolio approach.

In January 2016, the FASB issued ASU 2016-01, which updates certain aspects of recognition, measurement, presentation and disclosure of financial instruments. We adopted ASU 2016-01 in first quarter 2018, which resulted in a reclassification of accumulated unrealized gains on available-for-sale securities of $9 million from "Accumulated other comprehensive loss" to "Retained earnings" on our Consolidated Balance Sheet.

Revenue Recognition

In May 2014, the FASB issued ASU 2014-09, a comprehensive new revenue recognition model that requires an entity to recognize revenue to depict the transfer of goods or services to customers at an amount that reflects the consideration it expects to receive in exchange for those goods or services. In August 2015, FASB issued ASU 2015-14, which deferred the effective date for an additional year. In March 2016, FASB issued ASU 2016-08, which does not change the core principle of the guidance; however, it does clarify the implementation guidance on principal versus agent considerations. In April 2016, FASB issued ASU 2016-10, which clarifies two aspects of ASU 2014-09: identifying performance obligations and the licensing implementation guidance. In May 2016, FASB issued ASU 2016-12, which amends ASU 2014-09 to provide improvements and practical expedients to the new revenue recognition model. In December 2016, the FASB issued ASU 2016-20, which amends ASU 2014-09 for technical corrections and to correct for unintended application of the guidance. In February 2017, FASB issued ASU 2017-05, which clarifies the scope of ASC 610-20 and affects accounting for partial sales of nonfinancial assets.

We adopted this accounting standard update on January 1, 2018. The new standard is required to be applied retrospectively to each prior reporting period presented (full retrospective transition method) or retrospectively with the cumulative effect of initially applying it recognized at the date of initial application (cumulative effect method). We have adopted using the cumulative effect method. The adoption of the new revenue recognition guidance does not materially affect our Consolidated Statement of Operations, Consolidated Balance Sheet, or Consolidated Statement of Cash Flows.

Property and Equipment

We maintain property accounts on an individual asset basis. Here is how we handle major items:


•	Improvements to and replacements of major units of property are capitalized.


•	Maintenance, repairs and minor replacements are expensed.


•	Depreciation is calculated using a straight-line method at rates based on estimated service lives.


•	We capitalize costs associated with logging roads that we intend to utilize for a period longer than one year. These roads are then amortized over an estimated service life.


•	Cost and accumulated depreciation of property sold or retired are removed from the accounts and the gain or loss is included in earnings.

In general, additions are classified into components, each with its own estimated useful life as determined at the time of purchase.

Timber and Timberlands

We carry timber and timberlands at cost less depletion. Depletion refers to the carrying value of timber that is harvested, lost as a result of casualty or sold.

Key activities affecting how we account for timber and timberlands include:


•	reforestation,


•	depletion and


•	forest management in Canada.

Reforestation. Generally, we capitalize initial site preparation and planting costs as reforestation. Generally, we expense costs after the first planting as they are incurred or over the period of expected benefit. These costs include:


•	fertilization,


•	vegetation and insect control,


•	pruning and precommercial thinning,


•	property taxes and


•	interest.

Accounting practices for these costs do not change when timber becomes merchantable and harvesting starts.

Timber depletion. To determine depletion rates, we divide the net carrying value of timber by the related volume of timber estimated to be available over the growth cycle. To determine the growth cycle volume of timber, we consider:


•	regulatory and environmental constraints,


•	our management strategies,


•	inventory data improvements,


•	growth rate revisions and recalibrations and


•	known dispositions and inoperable acres.

In addition, the duration of the harvest cycle varies by geographic region and species of timber.

Depletion rate calculations do not include estimates for:


•	future silviculture or sustainable forest management costs associated with existing stands


•	future reforestation costs associated with a stand's final harvest; and


•	future volume in connection with the replanting of a stand subsequent to its final harvest

We include the cost of timber harvested in the carrying values of raw materials and product inventories. As these inventories are sold to third parties, we include them in the Costs of sales.

Forest Management in Canada. We manage timberlands under long-term licenses in various Canadian provinces that are:


•	granted by the provincial governments;


•	granted for initial periods of 15 to 25 years; and


•	renewable provided we meet reforestation, operating and management guidelines.

Calculation of the fees we pay on the timber we harvest:


•	varies from province to province,


•	is tied to product market pricing and


•	depends upon the allocation of land management responsibilities in the license.

Impairment of Long-Lived Assets

We review the carrying value of long-lived assets whenever an event or a change in circumstance ("a triggering event") indicates that the carrying value of the asset or asset group may not be recoverable through future operations. The carrying value is the original cost, less accumulated depreciation and any past impairments recorded. Impaired assets held for use are written down to fair value. Impaired assets held for sale are written down to fair value less cost to sell. We determine fair value based on:


•	appraisals,


•	market pricing of comparable assets,


•	discounted value of estimated cash flows from the asset and


•	replacement values of comparable assets.

Financial Instruments

We estimate the fair value of financial instruments where appropriate. The assumptions we use — including the discount rate and estimates of cash flows — can significantly affect our fair-value amounts. Our fair values are estimates and may not match the amounts we would realize upon sale or settlement of our financial positions.

To estimate the fair value of long-term debt, we used the market approach, which is based on quoted market prices we received for the same types and issues of our debt.

We believe that our variable rate long-term debt and line of credit instruments have net carrying values that approximate their fair values with only insignificant differences.

The inputs to these valuations are based on market data obtained from independent sources or information derived principally from observable market data. The difference between the fair value and the carrying value represents the theoretical net premium or discount we would pay or receive to retire all debt at the measurement date.

FAIR VALUE OF OTHER FINANCIAL INSTRUMENTS

We believe that our other financial instruments, including cash and cash equivalents, short-term investments, mutual fund investments held in grantor trusts, receivables, and payables, have net carrying values that approximate their fair values with only insignificant differences. This is primarily due to the short-term nature of these instruments and the allowance for doubtful accounts.

Cash and Cash Equivalents and Accounts Payable

Cash Equivalents

Cash equivalents are investments with original maturities of 90 days or less. We state cash equivalents at cost, which approximates market.

Accounts Payable

Our banking system replenishes our major bank accounts daily as checks we have issued are presented for payment. As a result, we may have negative book cash balances due to outstanding checks that have not yet been paid by the bank. These negative balances would be included in "Accounts payable" on our Consolidated Balance Sheet. Changes in these negative cash balances would be reported as financing activities in our Consolidated Statement of Cash Flows. We had no negative book cash balances as of December 31, 2018, and December 31, 2017.

Concentration of Risk

We disclose customers that represent a concentration of risk. As of December 31, 2018, and December 31, 2017, no customer accounted for 10 percent or more of our net sales

Revenue Recognition

PERFORMANCE OBLIGATIONS

A performance obligation, as defined in ASC Topic 606, is a promise in a contract to transfer a distinct good or service to a customer. A contract's transaction price is allocated to each distinct performance obligation and recognized as revenue at the point in time, or over the period, in which the performance obligation is satisfied.

Performance obligations associated with delivered log sales are typically satisfied when the logs are delivered to our customers’ mills or delivered to an ocean vessel in the case of export sales. Performance obligations associated with the sale of wood products are typically satisfied when the products are shipped. The company has elected, as an accounting policy, to treat shipping and handling that is performed after a customer obtains control of the product as an activity required to fulfill the promise to transfer the good; therefore we will not evaluate this requirement as a separate performance obligation.

Customers are generally invoiced shortly after logs are delivered or after wood products are shipped, with payment generally due within a month or less of the invoice date. ASC Topic 606 requires entities to consider significant financing components of contracts with customers, though allows for the use of a practical expedient when the period between satisfaction of a performance obligation and payment receipt is one year or less. Given the nature of our revenue transactions, we have elected to utilize this practical expedient.

Performance obligations associated with real estate sales are generally met when placed into escrow and all conditions of closing have been satisfied.

CONTRACT ESTIMATES

Substantially all of the company’s performance obligations are satisfied as of a point in time. Therefore, there is little judgment in determining when control transfers for our business segments as described above.

The transaction price for log sales generally equals the amount billed to our customer for logs delivered during the accounting period. For the limited number of log sales subject to a long-term supply agreement, the transaction price is variable but is known at the time of billing. For wood products sales, the transaction price is generally the amount billed to the customer for the products shipped but may be reduced slightly for estimated cash discounts and rebates.

There are no significant contract estimates related to the real estate business.

CONTRACT BALANCES

In general, customers are billed and a receivable is recorded as we ship and/or deliver wood products and logs. We generally receive payment shortly after products have been received by our customers. Contract asset and liability balances are immaterial.

For real estate sales, the company receives the entire consideration in cash at closing.

Inventories

We state inventories at the lower of cost or net realizable value. Cost includes labor, materials and production overhead. LIFO — the last-in, first-out method — applies to major inventory products held at our U.S. domestic locations. We began to use the LIFO method for domestic products in the 1940s as required to conform with the tax method elected. Subsequent acquisitions of entities added new products under the FIFO — the first-in, first-out method — or moving average cost methods that have continued under those methods. The FIFO or moving average cost methods applies to the balance of our domestic raw material and product inventories as well as for all material and supply inventories and all foreign inventories.

Shipping and Handling Costs

We classify shipping and handling costs in "Costs of sales" on our Consolidated Statement of Operations.

Income Taxes

We account for income taxes under the asset and liability method. Unrecognized tax benefits represent potential future funding obligations to taxing authorities if uncertain tax positions the company has taken on previously filed tax returns are not sustained. In accordance with the company’s accounting policy, accrued interest and penalties related to unrecognized tax benefits are recognized as a component of income tax expense.

We recognize deferred tax assets and liabilities to reflect:


•	future tax consequences due to differences between the carrying amounts for financial reporting purposes and the tax bases of certain items and


•	operating loss and tax credit carryforwards.

To measure deferred tax assets and liabilities, we:


•	determine when the differences between the carrying amounts and tax bases of affected items are expected to be recovered or resolved and


•	use enacted tax rates expected to apply to taxable income in those years.

Pension and Other Postretirement Benefit Plans

We recognize the overfunded or underfunded status of our defined benefit pension and other postretirement plans on our Consolidated Balance Sheet and recognize changes in the funded status through comprehensive income (loss) in the year in which the changes occur.

Actuarial valuations determine the amount of the pension and other postretirement benefit obligations and the net periodic benefit cost we recognize. The net periodic benefit cost includes:


•	cost of benefits provided in exchange for employees’ services rendered during the year;


•	interest cost of the obligations;


•	expected long-term return on plan assets;


•	gains or losses on plan settlements and curtailments;


•	amortization of prior service costs and plan amendments over the average remaining service period of the active employee group covered by the plans or the average remaining life expectancy in situations where the plan participants affected by the plan amendment are inactive; and

•

amortization of cumulative unrecognized net actuarial gains and losses — generally in excess of 10 percent of the greater of the benefit obligation or market-related value of plan assets at the beginning of the year — over the average remaining service period of the active employee group covered by the plans or the average remaining life expectancy in situations where the plan participants are inactive.

Pension plans. We have defined benefit pension plans covering approximately half of our employees. Determination of benefits differs for salaried, hourly and union employees, as follows:


•	Salaried employee benefits are based on each employee’s highest monthly earnings for five consecutive years during the final 10 years before retirement.


•	Hourly and union employee benefits generally are stated amounts for each year of service.


•	Union employee benefits are set through collective-bargaining agreements.

We contribute to our U.S. and Canadian pension plans according to established funding standards. The funding standards for the plans are:


•	U.S. pension plans — according to the Employee Retirement Income Security Act of 1974; and


•	Canadian pension plans — according to the applicable provincial pension act and the Income Tax Act.

Postretirement benefits other than pensions. We provide certain postretirement health care and life insurance benefits for some retired employees. In some cases, we pay a portion of the cost of the benefit. Note 10: Pension and Other Postretirement Benefit Plans provides additional information about changes made in our postretirement benefit plans during 2018 and 2017.

Valuation of Our Plan Assets

Pension assets are stated at fair value as of the reporting date. Fair value is based on the amount that would be received to sell an asset or paid to settle a liability in an orderly transaction between market participants at the reporting date. We do not consider forced or distressed sale scenarios. Instead, we consider both observable and unobservable inputs that reflect assumptions applied by market participants when setting the exit price of an asset or liability in an orderly transaction within the principal market for that asset or liability.

We value the pension plan assets based upon the observability of exit pricing inputs and classify pension plan assets based upon the lowest level input that is significant to the fair value measurement of the pension plan assets in their entirety. The fair value hierarchy is:


•	Level 1: Inputs are unadjusted quoted prices for identical assets or liabilities traded in an active market.


•	Level 2: Inputs are quoted prices in non-active markets for which pricing inputs are observable either directly or indirectly at the reporting date.


•	Level 3: Inputs are derived from valuation techniques in which one or more significant inputs or value drivers are unobservable.

Investments for which fair value is measured using the net asset value per share as a practical expedient are not categorized within the fair value hierarchy.

Cash and short-term investments are valued at cost, which approximates market.

Fixed income investments are valued at exit prices quoted in active or non-active markets or based on observable inputs.

Hedge funds, private equities, and related fund units are valued based on the net asset values of the funds. These values represent the per-unit price at which new investors are permitted to invest and existing investors are permitted to exit. When net asset values as of the end of the year have not been received, we estimate fair value by adjusting the most recently reported net asset values for market events and cash flows between the interim date and the end of the year.

Derivative instruments are valued based upon valuation statements received from each derivative’s counterparty. Some of these contracts are not publicly traded.

Environmental Remediation

We accrue losses associated with environmental remediation obligations when such losses are probable and reasonably estimable. Future expenditures for environmental remediation obligations are not discounted to their present value. Recoveries of environmental remediation costs from other parties are recorded as assets when the recovery is deemed probable and does not exceed the amount of losses previously recorded

Estimates. We believe it is reasonably possible, based on currently available information and analysis, that remediation costs for all identified sites may exceed our existing reserves by up to $126 million.

This estimate, in which those additional costs may be incurred over several years, is the upper end of the range of reasonably possible additional costs. The estimate:


•	is much less certain than the estimates on which our accruals currently are based and


•	uses assumptions that are less favorable to us among the range of reasonably possible outcomes.

In estimating our current accruals and the possible range of additional future costs, we:


•	assumed we will not bear the entire cost of remediation of every site,


•	took into account the ability of other potentially responsible parties to participate and


•	considered each party’s financial condition and probable contribution on a per-site basis.

Earnings Per Share

"Basic earnings" per share is net earnings available to common shareholders divided by the weighted average number of our outstanding common shares, including stock equivalent units where there is no circumstance under which those shares would not be issued.

"Diluted earnings" per share is net earnings available to common shareholders divided by the sum of the:


•	weighted average number of our outstanding common shares and


•	the effect of our outstanding dilutive potential common shares.

Dilutive potential common shares may include:


•	outstanding stock options,


•	restricted stock units and


•	performance share units

We use the treasury stock method to calculate the dilutive effect of our outstanding stock options, restricted stock units and performance share units. Share-based payment awards that are contingently issuable upon the achievement of specified performance or market conditions are included in our diluted earnings per share calculation in the period in which the conditions are satisfied.

Stock Repurchase Programs Policy

All common stock purchases under the 2016 Repurchase Programs were made in open-market transactions.

We record share repurchases upon trade date as opposed to the settlement date when cash is disbursed. We record a liability to account for repurchases that have not been cash settled.

Share-based Compensation

HOW WE ACCOUNT FOR SHARE-BASED AWARDS

When accounting for share-based awards we:


•	use a fair-value-based measurement for share-based awards and


•	recognize the cost of share-based awards in our consolidated financial statements.

We recognize the cost of share-based awards in our Consolidated Statement of Operations over the required service period — generally the period from the date of the grant to the date when it is vested. Special situations include:


•	Awards that vest upon retirement — the required service period ends on the date an employee is eligible for retirement, including early retirement.


•	Awards that continue to vest following job elimination or the sale of a business — the required service period ends on the date the employment from the company is terminated.

In these special situations, compensation expense from share-based awards is recognized over a period that is shorter than the stated vesting period.