v2.4.0.6

Postretirement Healthcare Benefit Plans (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008
U.S. and Foreign Postretirement Healthcare Benefits
Amounts recognized in the balance sheet consist of:
Prior service cost (credit) included in accumulated other comprehensive income that is expected to be recognized in net periodic benefit costs in 2011	$ 1
Prior service cost (credit) included in accumulated other comprehensive income that is expected to be recognized in net periodic benefit costs in 2011, net of tax	1
Net acturial loss included in accumulated other comprehensive income that is expected to be recognized in net periodic benefit costs in 2011	1
Net actuarial loss included in accumulated other comprehensive income that is expected to be recognized in net periodic benefit costs in 2011, net of tax	1
U.S. Postretirement Healthcare Benefits
Change in benefit obligations:
Benefit obligation as of beginning of year	26	25
Interest cost	2	2
Actuarial (gain) loss, net	(6)	1
Employee contributions	1	1
Benefits paid	(3)	(3)
Benefit obligation as of end of year	20	26	25
Change in plan assets:
Employer contributions	2	2
Employee contributions	1	1
Benefits paid	(3)	(3)
Funded status and net amounts recognized:
Plan assets less than benefit obligation	(20)	(26)
Net liability recognized in the balance sheet	(20)	(26)
Amounts recognized in the balance sheet consist of:
Current liabilities	(2)	(3)
Non-current liabilities	(18)	(23)
Net (liability) asset recognized	(20)	(26)
Unrecognized prior service cost	1
Unrecognized prior service cost, net of tax	1
Unrecognized actuarial gain (loss)	1
Unrecognized actuarial gain (loss), net of tax	1
Net periodic benefit cost:
Interest cost	2	2	1
Net periodic benefit cost	2	2	1
Weighted-average assumptions to determine benefit obligations
Discount rate (as a percent)	5.30%	5.80%
Weighted-average assumptions to determine the Net periodic benefit cost
Discount rate (as a percent)	5.80%	6.50%	6.40%
Annual rate of increase in the per capita cost of covered health care benefits assumed (as a percent)	11.18%	12.00%
Annual rate of decrease in the per capita cost of covered health care through 2029 and thereafter (as a percent)	4.50%
One-percentage-point change in assumed health care cost trend rates
Effect of a one-percentage-point increase to total of service and interest cost components	0
Effect of a one-percentage-point decrease to total of service and interest cost components	0
Effect of a one-percentage-point increase to postretirement benefit obligation	1
Effect of a one-percentage-point decrease to postretirement benefit obligation	(1)
Estimated contribution by employer, next fiscal year	2
Defined benefit pension plans estimated future benefit payments
2011	2
2012	2
2013	2
2014	2
2015	2
2016-2020	7
Foreign Postretirement Healthcare Benefits
Change in benefit obligations:
Benefit obligation as of beginning of year	111	72
Service cost	1	2
Interest cost	10	10
Actuarial (gain) loss, net	12	11
Net transfers in (out)		4
Plan amendments		(8)
Plan settlements	(32)
Effect of acquisitions	1
Benefits paid	(8)	(6)
Impact of foreign exchange rates	5	26
Benefit obligation as of end of year	100	111	72
Change in plan assets:
Employer contributions	8	6
Benefits paid	(8)	(6)
Funded status and net amounts recognized:
Plan assets less than benefit obligation	(100)	(111)
Net liability recognized in the balance sheet	(100)	(111)
Amounts recognized in the balance sheet consist of:
Current liabilities	(8)	(7)
Non-current liabilities	(92)	(104)
Net (liability) asset recognized	(100)	(111)
Unrecognized prior service cost	6
Unrecognized prior service cost, net of tax	4
Unrecognized actuarial gain (loss)	(13)
Unrecognized actuarial gain (loss), net of tax	(8)
Net periodic benefit cost:
Service cost	1	2	1
Interest cost	10	10	6
Amortization of prior service cost	(1)
Amortization of net loss (gain)	2		1
Settlement gain recognized	(26)
Net periodic benefit cost	(14)	12	8
Weighted-average assumptions to determine benefit obligations
Discount rate (as a percent)	10.80%	11.30%
Weighted-average assumptions to determine the Net periodic benefit cost
Discount rate (as a percent)	11.30%	12.40%	9.30%
Annual rate of increase in the per capita cost of covered health care benefits assumed (as a percent)	8.07%	8.95%
One-percentage-point change in assumed health care cost trend rates
Effect of a one-percentage-point increase to total of service and interest cost components	1
Effect of a one-percentage-point decrease to total of service and interest cost components	(1)
Effect of a one-percentage-point increase to postretirement benefit obligation	12
Effect of a one-percentage-point decrease to postretirement benefit obligation	(10)
Estimated contribution by employer, next fiscal year	8
Defined benefit pension plans estimated future benefit payments
2011	8
2012	8
2013	8
2014	9
2015	9
2016-2020	51
Foreign Postretirement Healthcare Benefits | Fertilizers
Change in benefit obligations:
Plan settlements	$ (32)

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This element represents the after tax amount of actuarial loss not yet recognized in net periodic plan cost.

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This element represents the after tax amount of other accumulated comprehensive income related to gains and losses that are not recognized immediately, and are expected to be recognized as components of net periodic benefit cost over the next fiscal year, that follows the most recent annual statement of financial position presented.

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Represents the changes in the benefit obligation liability account, for defined benefit plans due to service cost.

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The changes in the fair value of plan assets for defined benefit plans due to benefits paid.

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The changes in the fair value of plan assets for defined benefit plans due to participant contributions.

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Transfers into the plan from outside third party plans.

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The pretax net amount of gains and losses that are not yet recognized as a component of net periodic benefit cost, and that are recognized as increases or decreases in other comprehensive income as they arise. Gains and losses are due to changes in the value of either the benefit obligation or the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption, or the consequence of a decision to temporarily deviate from the substantive plan.

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Amount related to the pretax cost of benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation, which has not yet been recognized as components of net periodic benefit cost.

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The net increase or decrease of changes in the value of either the benefit obligation or the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption, or the consequence of a decision to temporarily deviate from the substantive plan.

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

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The amounts in accumulated other comprehensive income related to gains and losses that are not recognized immediately and are expected to be recognized as components of net periodic benefit cost over the next fiscal year that follows the most recent annual statement of financial position presented.

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The amounts in accumulated other comprehensive income related to prior service cost or credit expected to be recognized as components of net periodic benefit cost over the next fiscal year that follows the most recent annual statement of financial position presented.

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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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The aggregate net amount recognized in the balance sheet associated with the defined benefit plan(s). Will normally be the same as the Defined Benefit Plan, Funded Status of Plan, Total.

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The interest rate used to adjust for the time value of money for the plan.

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The interest rate used to adjust for the time value of money.

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1) For defined benefit pension plans, the benefit obligation is the projected benefit obligation, which is the actuarial present value as of a date of all benefits attributed by the pension benefit formula to employee service rendered prior to that date. The projected benefit obligation is measured using assumptions as to future compensation levels if the pension benefit formula is based on those future compensation levels (pay-related, final-pay, final-average-pay, or career-average-pay plans). For plans with flat-benefit or nonpay-related pension benefit formulas, the accumulated benefit obligation and the projected benefit obligation are the same. 2) For other postretirement defined benefit plans, the benefit obligation is the accumulated postretirement benefit obligation, which is the actuarial present value of benefits attributed to employee service rendered to a particular date. Prior to an employee's full eligibility date, the accumulated postretirement benefit obligation as of a particular date for an employee is the portion of the expected postretirement benefit obligation attributed to that employee's service rendered to that date; on and after the full eligibility date, the accumulated and expected postretirement benefit obligations for an employee are the same.

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The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services.

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The amount of increase in the benefit obligation attributed to business combinations.

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The amount of contributions made by the employer.

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The amount of contributions made by plan participants. Under a contributory plan active employees or retirees contribute part of the cost. In some contributory plans, those wishing to be covered must contribute; in others, the contributions result in increased benefits.

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The effect of a one-percentage-point decrease in the assumed health care cost trend rates on the accumulated postretirement benefit obligation for health care benefits. (For purposes of this disclosure, all other assumptions shall be held constant, and the effects shall be measured based on the substantive plan that is the basis for the accounting.)

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The effect of a one-percentage- point decrease in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs. (For purposes of this disclosure, all other assumptions shall be held constant, and the effects shall be measured based on the substantive plan that is the basis for the accounting.)

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The effect of a one-percentage-point increase in the assumed health care cost trend rates on the accumulated postretirement benefit obligation for health care benefits. (For purposes of this disclosure, all other assumptions shall be held constant, and the effects shall be measured based on the substantive plan that is the basis for the accounting.)

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The effect of a one-percentage-point increase in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs. (For purposes of this disclosure, all other assumptions shall be held constant, and the effects shall be measured based on the substantive plan that is the basis for the accounting.)

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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 during the next fiscal year beginning after the date of the latest statement of financial position. 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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The amount of the aggregate benefits expected to be paid in the five fiscal years thereafter (the aggregate amount of benefits expected to be paid in years 6 through 10 after the date of the latest statement of financial position).

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The amount of the benefits expected to be paid in Year 5.

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The amount of the benefits expected to be paid in Year 4.

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The amount of the benefits expected to be paid in Year 1.

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The amount of the benefits expected to be paid in Year 3.

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The amount of increase or decrease in the benefit obligation attributed to foreign currency changes. The effects of foreign currency exchange rate changes that are to be disclosed are those applicable to plans of a foreign operation whose functional currency is not the reporting currency.

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The funded status is measured as the difference between the fair value of plan assets and the benefit obligation. Will normally be the same as the net Defined Benefit Plan, Amounts Recognized in Balance Sheet, Total.

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The assumed health care cost trend rate for the next year used to measure the expected cost of benefits covered by the plan (gross eligible charges). This is based upon the annual rate of change in the cost of health care benefits currently provided by the postretirement benefit plan, due to factors other than changes in the composition of the plan population by age and dependency status.

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- Definition

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 amount of increase or decrease due to a change in the terms of an existing plan or the initiation of a new plan. A plan amendment may increase or decrease benefits, including those attributed to years of service already rendered.

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The amount of net (gain) loss recognized in net periodic benefit cost as a result of an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include (a) making lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and (b) purchasing nonparticipating annuity contracts to cover vested benefits.

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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 decrease that relates to an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include (a) making lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and (b) purchasing nonparticipating annuity contracts.

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- Definition

The ultimate trend rate for health care costs.

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- Definition

For a classified balance sheet, the amount recognized in balance sheet as a current liability associated with an underfunded defined benefit plan.

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-Name Statement of Financial Accounting Standard (FAS)

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This represents the noncurrent liability for underfunded plans recognized in the balance sheet that is associated with the defined benefit pension plans and other postretirement defined benefit plans.

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