Inventories

Inventories consisted of the following:



	September 30 2015			December 31 2014
Long-term contracts in progress		$14,275			$13,381
Commercial aircraft programs	56,278			55,220
Commercial spare parts, used aircraft, general stock materials and other	6,506			7,421
Inventory before advances and progress billings	77,059			76,022
Less advances and progress billings	(28,435		)	(29,266		)
Total		$48,624			$46,756

Long-term contracts in progress includes Delta launch program inventory that is being sold at cost to United Launch Alliance (ULA) under an inventory supply agreement that terminates on March 31, 2021. At September 30, 2015, the inventory balance was $120 (net of advances of $317) and $154 (net of advances of $322) at December 31, 2014. At September 30, 2015, $222 of this inventory related to unsold launches. See Note 10.

Capitalized precontract costs of $664 and $1,281 at September 30, 2015 and December 31, 2014, are included in inventories.

At September 30, 2015 and December 31, 2014, commercial aircraft programs inventory included the following amounts related to the 787 program: $35,282 and $33,163 of work in process (including deferred production costs of $28,309 and $26,149), $2,267 and $2,257 of supplier advances, and $3,908 and $3,801 of unamortized tooling and other non-recurring costs. At September 30, 2015, $22,496 of 787 deferred production costs, unamortized tooling and other non-recurring costs are expected to be recovered from units included in the program accounting quantity that have firm orders and $9,721 is expected to be recovered from units included in the program accounting quantity that represent expected future orders.

At September 30, 2015 and December 31, 2014, commercial aircraft programs inventory included the following amounts related to the 747 program: $1,891 and $1,741 of deferred production costs, net of previously recorded reach-forward losses, and $405 and $476 of unamortized tooling costs. At September 30, 2015, $739 of 747 deferred production and unamortized tooling costs are expected to be recovered from units included in the program accounting quantity that have firm orders and $1,557 is expected to be recovered from units included in the program accounting quantity that represent expected future orders.

Commercial aircraft programs inventory included amounts credited in cash or other consideration (early issue sales consideration) to airline customers totaling $3,109 and $3,341 at September 30, 2015 and December 31, 2014.

Used aircraft in inventories at Commercial Airplanes totaled $248 and $275 at September 30, 2015 and December 31, 2014.