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Financial Instruments and Risk Concentration | 12 Months Ended
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Dec. 31, 2020
Risks and Uncertainties [Abstract] |
Financial instruments and risk concentration | Financial instruments and risk concentration Financial instruments We hold derivative financial instruments such as forward foreign currency exchange contracts, the fair value of which was not material as of December 31, 2020. Our forward foreign currency exchange contracts outstanding as of December 31, 2020, had a notional value of $416 million to hedge our non-U.S. dollar net balance sheet exposures, including $147 million to sell Japanese yen, $85 million to sell euros and $82 million to sell British pounds. Our investments in cash equivalents, short-term investments and certain long-term investments, as well as our deferred compensation liabilities, are carried at fair value. Our postretirement plan assets are carried at fair value or net asset value per share. The carrying values for other current financial assets and liabilities, such as accounts receivable and accounts payable, approximate fair value due to the short maturity of such instruments. As of December 31, 2020, the carrying value of long-term debt, including the current portion, was $6.80 billion, and the estimated fair value was $7.78 billion. The estimated fair value is measured using broker-dealer quotes, which are Level 2 inputs. See Note 6 for a description of fair value and the definition of Level 2 inputs. Risk concentration We are subject to counterparty risks from financial institutions, customers and issuers of debt securities. Financial instruments that could subject us to concentrations of credit risk are primarily cash deposits, cash equivalents, short-term investments and accounts receivable. To manage our credit risk exposure, we place cash investments in investment-grade debt securities and limit the amount of credit exposure to any one issuer. We also limit counterparties on cash deposits and financial derivative contracts to financial institutions with investment-grade ratings. Concentrations of credit risk with respect to accounts receivable are limited due to our large number of customers and their dispersion across different industries and geographic areas. We maintain allowances for expected returns, disputes, adjustments, incentives and credit losses. These allowances are deducted from accounts receivable on our Consolidated Balance Sheets. Accounts receivable allowances changed to reflect amounts charged (credited) to operating results by $3 million, ($11) million and $11 million in 2020, 2019 and 2018, respectively. Major customer One of our end customers accounted for 10%, 8% and 8% of revenue in 2020, 2019 and 2018, respectively, recognized primarily in our Analog segment. No end customer accounted for 10% or more of revenue in 2019 or 2018

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- Definition The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -URI http://asc.fasb.org/topic&trid=2134479 + Details
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- References No definition available. + Details
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