CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
COMPREHENSIVE INCOME
Net Earnings	$ 1,912	$ 856	$ 3,789	$ 3,304
Other Comprehensive Income/(Loss), net of taxes and reclassifications to earnings [Abstract]
Derivatives qualifying as cash flow hedges	5	(1)	71	(61)
Pension and postretirement benefits	22	18	194	74
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax	2	22	(31)	41
Foreign currency translation	(21)	7	(237)	28
Other Comprehensive Income/(Loss)	8	46	(3)	82
Comprehensive Income	1,920	902	3,786	3,386
Comprehensive Income/(Loss) Attributable to Noncontrolling Interest	11	11	29	(31)
Comprehensive Income Attributable to BMS	$ 1,909	$ 891	$ 3,757	$ 3,417

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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

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Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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