Accounts Receivable	9 Months Ended
Accounts Receivable	Sep. 30, 2018
Receivables [Abstract]
Accounts Receivable	Accounts Receivable Accounts receivable are net of allowances for doubtful accounts of $23.4 million, $22.4 million, and $25.4 million as of September 30, 2018, September 30, 2017, and December 31, 2017, respectively. As a result of the Toys "R" Us liquidation in the first quarter of 2018, Mattel reversed net sales which occurred during the first quarter of 2018 and related accounts receivable of approximately $30 million. In addition, for the three and nine months ended September 30, 2018, Mattel recorded bad debt expense, net of approximately $(13) million and $37 million, respectively, related to outstanding Toys "R" Us receivables as of December 31, 2017. As a result of Toys "R" Us filing for bankruptcy in September 2017, Mattel reversed gross sales and accounts receivable of approximately $47 million and reversed net sales of approximately $43 million for the three and nine months ended September 30, 2017.

The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses.