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Other Comprehensive Loss | 12 Months Ended
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Dec. 31, 2020
Equity [Abstract] |
Other Comprehensive Loss | NOTE 15 — OTHER COMPREHENSIVE LOSS The components of accumulated other comprehensive loss are as follows (dollars in millions):
|  | Unrealized Gains on Available- for-Sale Securities |  |  | Foreign Currency Translation Adjustments |  |  | Defined Benefit Plans |  |  | Change in Fair Value of Derivative Instruments |  |  | Total |
Balances at December 31, 2017 |  | $ | 7 |  |  | $ | (149 | ) |  | $ | (168 | ) |  | $ | 32 |  |  | $ | (278 | )
Unrealized losses on available-for-sale securities, net of $2 income tax benefit |  |  | (5 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (5 | )
Foreign currency translation adjustments, net of $8 income tax benefit |  |  | — |  |  |  | (63 | ) |  |  | — |  |  |  | — |  |  |  | (63 | )
Defined benefit plans, net of $10 of income taxes |  |  | — |  |  |  | — |  |  |  | 34 |  |  |  | — |  |  |  | 34 |
Change in fair value of derivative instruments, net of $5 of income taxes |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 18 |  |  |  | 18 |
Expense (income) reclassified into operations from other comprehensive income, net of $5 income tax benefit and $2 of income taxes, respectively |  |  | — |  |  |  | — |  |  |  | 16 |  |  |  | (8 | ) |  |  | 8 |
Reclassification of stranded tax effects |  |  | 1 |  |  |  | (71 | ) |  |  | (30 | ) |  |  | 5 |  |  |  | (95 | )
Balances at December 31, 2018 |  |  | 3 |  |  |  | (283 | ) |  |  | (148 | ) |  |  | 47 |  |  |  | (381 | )
Unrealized gains on available-for-sale securities, net of $4 of income taxes |  |  | 11 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 11 |
Foreign currency translation adjustments, net of $5 of income taxes |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Defined benefit plans, net of $14 income tax benefit |  |  | — |  |  |  | — |  |  |  | (49 | ) |  |  | — |  |  |  | (49 | )
Change in fair value of derivative instruments, net of $13 income tax benefit |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (37 | ) |  |  | (37 | )
Expense (income) reclassified into operations from other comprehensive income, net of $3 income tax benefit and $3 of income taxes, respectively |  |  | — |  |  |  | — |  |  |  | 10 |  |  |  | (14 | ) |  |  | (4 | )
Balances at December 31, 2019 |  |  | 14 |  |  |  | (283 | ) |  |  | (187 | ) |  |  | (4 | ) |  |  | (460 | )
Unrealized gains on available-for-sale securities, net of $3 of income taxes |  |  | 11 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 11 |
Foreign currency translation adjustments, net of $6 of income taxes |  |  | — |  |  |  | 12 |  |  |  | — |  |  |  | — |  |  |  | 12 |
Defined benefit plans, net of $16 income tax benefit |  |  | — |  |  |  | — |  |  |  | (55 | ) |  |  | — |  |  |  | (55 | )
Change in fair value of derivative instruments, net of $15 income tax benefit |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (51 | ) |  |  | (51 | )
Expense reclassified into operations from other comprehensive income, net of $6 and $5 income tax benefits, respectively |  |  | — |  |  |  | — |  |  |  | 22 |  |  |  | 19 |  |  |  | 41 |
Balances at December 31, 2020 |  | $ | 25 |  |  | $ | (271 | ) |  | $ | (220 | ) |  | $ | (36 | ) |  | $ | (502 | )

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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