Adjustment to adopt recognition and measurement of financial assets and liabilities guidance

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Amount of cumulative effect of the change in accounting principle or new accounting pronouncement on retained earnings or other components of equity or net assets in the statement of financial position as of the beginning of the earliest period presented.

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Amount after tax, before reclassification adjustments of other comprehensive income (loss).

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Amount after tax of reclassification adjustments of other comprehensive income (loss).

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Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Jun. 30, 2019	Jan. 01, 2019	Dec. 31, 2018	Jun. 30, 2018	Jan. 01, 2018	Dec. 31, 2017
Accumulated Other Comprehensive Income (Loss)
Accumulated other comprehensive income (loss), start of period	$ (1,783)		$ (1,783)				$ (1,684)
Accumulated other comprehensive income (loss), end of period	(1,783)		(1,783)
Accumulated other comprehensive income (loss)
Accumulated Other Comprehensive Income (Loss)
Adjustment to adopt recognition and measurement of financial assets and liabilities guidance									$ (11)
Accumulated other comprehensive income (loss), start of period	(1,783)	$ (1,568)	(1,783)	$ (1,568)	$ (1,499)	$ (1,576)	(1,684)	$ (1,496)	(1,203)	$ (1,192)
Other comprehensive income (loss) before reclassifications	(200)	(34)	(99)	(236)
Amounts reclassified from accumulated other comprehensive (income) loss	(84)	(38)	(108)	(129)
Other comprehensive income (loss)	(284)	(72)	(207)	(365)
Accumulated other comprehensive income (loss), end of period	(1,783)	(1,568)	(1,783)	(1,568)
Accumulated other comprehensive income (loss) \| Accounting Standards Update 2018-02
Accumulated Other Comprehensive Income (Loss)
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets						108
Foreign currency translation
Accumulated Other Comprehensive Income (Loss)
Adjustment to adopt recognition and measurement of financial assets and liabilities guidance									0
Accumulated other comprehensive income (loss), start of period	(1,689)	(1,497)	(1,689)	(1,497)	(1,426)	(1,503)	(1,601)	(1,432)	(1,205)	(1,205)
Other comprehensive income (loss) before reclassifications	(263)	(65)	(186)	(293)
Amounts reclassified from accumulated other comprehensive (income) loss	0	0	0	1
Other comprehensive income (loss)	(263)	(65)	(186)	(292)
Accumulated other comprehensive income (loss), end of period	(1,689)	(1,497)	(1,689)	(1,497)
Foreign currency translation \| Accounting Standards Update 2018-02
Accumulated Other Comprehensive Income (Loss)
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets						98
Pension and other postretirement benefits
Accumulated Other Comprehensive Income (Loss)
Adjustment to adopt recognition and measurement of financial assets and liabilities guidance									0
Accumulated other comprehensive income (loss), start of period	9	23	9	23	17	31	12	30	46	46
Other comprehensive income (loss) before reclassifications	0	0	0	(2)
Amounts reclassified from accumulated other comprehensive (income) loss	(8)	(7)	(22)	(21)
Other comprehensive income (loss)	(8)	(7)	(22)	(23)
Accumulated other comprehensive income (loss), end of period	9	23	9	23
Pension and other postretirement benefits \| Accounting Standards Update 2018-02
Accumulated Other Comprehensive Income (Loss)
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets						19
Derivative financial instruments
Accumulated Other Comprehensive Income (Loss)
Adjustment to adopt recognition and measurement of financial assets and liabilities guidance									0
Accumulated other comprehensive income (loss), start of period	(122)	(77)	(122)	(77)	(105)	(89)	(80)	(78)	(41)	(41)
Other comprehensive income (loss) before reclassifications	59	32	53	73
Amounts reclassified from accumulated other comprehensive (income) loss	(76)	(31)	(86)	(109)
Other comprehensive income (loss)	(17)	1	(33)	(36)
Accumulated other comprehensive income (loss), end of period	(122)	(77)	(122)	(77)
Derivative financial instruments \| Accounting Standards Update 2018-02
Accumulated Other Comprehensive Income (Loss)
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets						(9)
Available-for-sale securities
Accumulated Other Comprehensive Income (Loss)
Adjustment to adopt recognition and measurement of financial assets and liabilities guidance									(11)
Accumulated other comprehensive income (loss), start of period	19	(17)	19	(17)	$ 15	(15)	$ (15)	$ (16)	$ (3)	$ 8
Other comprehensive income (loss) before reclassifications	4	(1)	34	(14)
Amounts reclassified from accumulated other comprehensive (income) loss	0	0	0	0
Other comprehensive income (loss)	4	(1)	34	(14)
Accumulated other comprehensive income (loss), end of period	$ 19	$ (17)	$ 19	$ (17)
Available-for-sale securities \| Accounting Standards Update 2018-02
Accumulated Other Comprehensive Income (Loss)
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets						$ 0