v3.20.4
Schedule II - Valuation And Qualifying Accounts
12 Months Ended
Dec. 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation And Qualifying Accounts
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
Allowance for Credit Loss

COL. A COL. BCOL. CCOL. DCOL. E
Additions
(1)(2)(3)
Balance at Beginning of PeriodCharged to
Costs and Expenses (a)
Charged to Other
Accounts (b)
Acquisitions (c)Deductions (d)Balance at End
of Period (e)
Year 2020$1,235 1,972 405  2,023 $1,589 
Year 2019$907 2,575 — — 2,247 $1,235 
Year 2018$663 1,791 — 179 1,726 $907 

(a)Includes amounts previously written off which were credited directly to this account when recovered.
Excludes direct charges and credits to expense for nontrade receivables in the consolidated statements of income.
Includes the impact to operating expenses, for the year ended December 31, 2020, after adoption of ASC 326.
(b)Opening adjustments upon adoption of ASC 326, with modified retrospective application, as of January 1, 2020 (see Note 1).
(c)Acquisition of Time Warner in 2018.
(d)Amounts written off as uncollectible, or related to divested entities.
(e)Includes balances applicable to trade receivables, loans, contract assets and other assets subject to credit loss measurement (see Note 1).


SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
Allowance for Deferred Tax Assets
COL. A COL. BCOL. CCOL. DCOL. E
Additions
(1)(2)(3)
Balance at Beginning of PeriodCharged to
Costs and Expenses
Charged to Other
Accounts (a)
Acquisitions
(b)
Deductions
(c)
Balance at End
of Period
Year 2020$4,941 (168)— —  $4,773 
Year 2019$4,588 (18)371 — — $4,941 
Year 2018$4,640 (210)(53)211 — $4,588 
(a)Includes current year reclassifications from other balance sheet accounts.
(b)Acquisition of Time Warner in 2018.
(c)Reductions to valuation allowances related to deferred tax assets.