Property and Equipment

3 Months Ended

Mar. 31, 2018

Property Plant And Equipment [Abstract]

8.	PROPERTY AND EQUIPMENT

Property and equipment are stated at cost. Depreciation of property and equipment is calculated using the straight-line method over the estimated useful lives of the assets, which range from three to 40 years. Property and equipment under capital leases and leasehold improvements are amortized on a straight-line basis over the shorter of the remaining terms of the related lease or the estimated useful lives of the assets. At March 31, 2018 and December 30, 2017, property and equipment-net included accumulated depreciation of $1,967 million and $1,926 million, respectively. Depreciation expense was $71 million and $69 million for the 13-weeks ended March 31, 2018 and April 1, 2017, respectively.