Seasonal Financing - Additional Information (Detail) (USD $) In Billions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
2013 Credit Facility
Debt Instrument [Line Items]
Terms of credit facility	The agreement governing the credit facility was amended and restated on March 11, 2013 to, among other things, (i) extend the maturity date of the credit facility to March 12, 2018, (ii) increase aggregate commitments under the credit facility to $1.60 billion, with an “accordion feature,” which allows Mattel to increase the aggregate availability under the credit facility to $1.85 billion under certain circumstances, (iii) decrease the applicable interest rate margins to a range of 0.00% to 0.75% above the applicable base rate for base rate loans and 0.88% to 1.75% above the applicable LIBOR for Eurodollar rate loans, in each case depending on Mattel’s senior unsecured long-term debt rating, and (iv) decrease commitment fees to a range of 0.08% to 0.28% of the unused commitments under the credit facility.
Maturity date	Mar. 12, 2018
Aggregate commitment under the credit facility	$ 1.60
Aggregate commitment under the credit facility, including the accordion feature	1.85
2013 Credit Facility | Minimum
Debt Instrument [Line Items]
Interest rate margin for base rate loans	0.00%
Interest rate margin for Eurodollar rate loans	0.88%
Commitment fee rate for unused commitments	0.08%
2013 Credit Facility | Maximum
Debt Instrument [Line Items]
Interest rate margin for base rate loans	0.75%
Interest rate margin for Eurodollar rate loans	1.75%
Commitment fee rate for unused commitments	0.28%
2011 Credit Facility
Debt Instrument [Line Items]
Aggregate commitment under the credit facility	$ 1.40