The amount of gains or losses recognized in net periodic benefit cost.

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The amount of the prior service cost or credit recognized in net periodic benefit cost relating to benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation.

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For pension plans, the amount of Increase or Decrease in the accumulated benefit obligation related to the effects of a settlement or curtailment.

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The employer's best estimate, as soon as it can be reasonably determined, of contributions expected to be paid to the plan in the current remaining fiscal period. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions.

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An amount calculated as a basis for determining the extent of delayed recognition of the effects of changes in the fair value of assets. The expected return on plan assets is determined based on the expected long-term rate of return on plan assets and the market-related value of plan assets.

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The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

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The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments.

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The amount of net gain (loss) recognized in net periodic benefit cost as a result of an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services.

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The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.

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The amount of cash or cash equivalents contributed by the entity to fund its pension plans.

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PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS (Details) (USD $) In Millions	9 Months Ended		1 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Jun. 30, 2010 Styron [Member]	Jun. 17, 2010 Styron [Member]	Sep. 30, 2011 Defined Benefit Pension Plans [Member]	Sep. 30, 2010 Defined Benefit Pension Plans [Member]	Sep. 30, 2011 Defined Benefit Pension Plans [Member]	Sep. 30, 2010 Defined Benefit Pension Plans [Member]	Sep. 30, 2011 Other Postretirement Benefits [Member]	Sep. 30, 2010 Other Postretirement Benefits [Member]	Sep. 30, 2011 Other Postretirement Benefits [Member]	Sep. 30, 2010 Other Postretirement Benefits [Member]
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost					$ 88	$ 76	$ 260	$ 232	$ 4	$ 4	$ 10	$ 12
Interest cost					282	272	842	821	25	28	75	84
Expected return on plan assets					(329)	(301)	(978)	(907)	(1)	(3)	(3)	(9)
Amortization of prior service cost					7	7	21	21
Amortization of net loss					94	67	280	201
Curtailment Cost			11		0	0	0	8	0	0	0	3
Net periodic benefit cost					142	121	425	376	28	29	82	90
Improvement in funded status of plan due to settlements, remeasurements and curtailments				99
Pension Contributions	712	177
Expected pension contributions in the fourth quarter of the current fiscal year	$ 200