v2.3.0.11

Employee Benefit Plans (Details) (USD $) In Millions	3 Months Ended	6 Months Ended	3 Months Ended		3 Months Ended	6 Months Ended						3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended
	Jun. 30, 2011 Level 3 [Member]	Jun. 30, 2011 Level 3 [Member]	Jun. 30, 2011 Level 3 [Member] U.S. Property Fund [Member]	Dec. 31, 2010 Level 3 [Member] U.S. Property Fund [Member]	Jun. 30, 2011 Level 3 [Member] Hedge Funds [Member]	Jun. 30, 2011 Level 3 [Member] Hedge Funds [Member]	Jun. 30, 2011 Level 3 [Member] Non-U.S. Property Fund [Member]	Mar. 31, 2011 Level 3 [Member] Non-U.S. Property Fund [Member]	Jun. 30, 2011 Level 3 [Member] Non-U.S. Insurance Contracts [Member]	Mar. 31, 2011 Level 3 [Member] Non-U.S. Insurance Contracts [Member]	Dec. 31, 2010 Level 3 [Member] Non-U.S. Insurance Contracts [Member]	Jun. 30, 2011 U.S. Pension Benefits [Member]	Jun. 30, 2010 U.S. Pension Benefits [Member]	Jun. 30, 2011 U.S. Pension Benefits [Member]	Jun. 30, 2010 U.S. Pension Benefits [Member]	Jun. 30, 2011 Non-U.S. Pension Benefits [Member]	Jun. 30, 2010 Non-U.S. Pension Benefits [Member]	Jun. 30, 2011 Non-U.S. Pension Benefits [Member]	Jun. 30, 2010 Non-U.S. Pension Benefits [Member]	Jun. 30, 2011 Other Postretirement Benefits Plan [Member]	Jun. 30, 2010 Other Postretirement Benefits Plan [Member]	Jun. 30, 2011 Other Postretirement Benefits Plan [Member]	Jun. 30, 2010 Other Postretirement Benefits Plan [Member]	Jun. 30, 2011 U.S. Property Fund [Member]
Components of net periodic benefit cost
Service cost												$ 9	$ 8	$ 18	$ 16	$ 2	$ 2	$ 4	$ 3	$ 2	$ 2	$ 4	$ 4
Interest cost												5	5	10	11	8	7	16	12	2	3	4	6
Expected return on plan assets												(8)	(7)	(16)	(14)	(8)	(6)	(16)	(10)
Amortization of prior service cost (benefit)																	1			(1)		(2)	1
Amortization of net loss												2	3	4	6	1		2	2
Net Periodic Cost (Benefit)												8	9	16	19	3	4	6	7	3	5	6	11
Fair value of plan assets
Fair value of plan assets, beginning balance	148	49	14	14	98	0	19	20	16	16	16
Unrealized gains	3	6	1		2	4	1																	1
Transfers from Level 2 to Level 3 Plan Assets	2	98			2	98
Fair value of plan assets, ending balance	$ 153	$ 153	$ 15	$ 14	$ 102	$ 102	$ 20	$ 20	$ 16	$ 16	$ 16

X

- Definition

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 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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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

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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Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions 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 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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Transfers in and out of Level 3. For example, transfers due to changes in the observability of significant inputs.

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