XML 59 R36.htm IDEA: XBRL DOCUMENT
v3.20.4

Other Comprehensive Loss (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Equity [Abstract] |
Components of Accumulated 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 | )

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration