Employee Stock Purchase Plan Contribution Limit

No definition available.

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- Definition

Discount available to Employees on the market price of stock available for purchase according to their purchase plan.

+ References

No definition available.

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- Definition

401(k) Plan Matching Contributions Vesting Period in years.

+ References

No definition available.

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- Definition

Share-Based Compensation Arrangement By Share-based Payment Award, Fair Value Assumptions, Volatility Period

+ References

No definition available.

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- Definition

Share-based Compensation, Shares Authorized under Stock Option Plans, Offering Period

+ References

No definition available.

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- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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- Definition

The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
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-SubTopic 10
-Section 30
-Paragraph 1
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- Definition

Amount of contributions made by employer into fund established for purposes of making future disbursement to individual in accordance with deferred compensation arrangement.

+ References

No definition available.

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- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

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- Definition

Percentage employer matches of the employee's percentage contribution matched.

+ References

No definition available.

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- Definition

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

+ References

No definition available.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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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.

+ References

No definition available.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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Incentive Plans (Narrative) (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($) $ / shares Rate shares	Dec. 31, 2018 USD ($) $ / shares Rate	Dec. 31, 2017 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
ESPP offering period	8 months
Unrecognized stock-based compensation expense \| $	$ 95
Remaining vesting period		3 years
Pioneer Long Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Approved and authorized awards \| shares	12,600,000
Employee stock purchase plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee stock purchase plan contribution limit	15.00%
Employee stock purchase plan participants purchase price percent	15.00%
Approved and authorized awards \| shares	1,250,000
Restricted stock - Liability Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized stock-based compensation expense \| $	$ 25
Awards granted \| shares	221,497
Grant date fair value \| $	$ 20	$ 24	$ 20
Amount of liabilities attributable to liability awards included in accounts payable \| $	$ 11	$ 14
Restricted stock units, including liability awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted \| shares	934,735
Restricted stock awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (usd per share) \| $ / shares	$ 137.23	$ 180.66	$ 180.50
Grant date fair value \| $	$ 99	$ 67	$ 70
Performance unit awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Remaining vesting period	34 months
Awards granted \| shares	86,483
Shares granted (usd per share) \| $ / shares	$ 165.84	$ 246.18	$ 258.27
Grant date fair value \| $	$ 22	$ 21	$ 18
Expected volatility period	3 years
401(k) plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Participants annual salary contributions, percentage	80.00%
Matching contributions percent	200.00%
Limit of employee's contribution of base salary, percent	5.00%
Matching contributions vesting period in years	4
Recognized compensation matching contribution expense \| $	$ 27	36	25
Deferred compensation retirement plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Matching contributions percent	100.00%
Matching contributions \| $	$ 2	$ 3	$ 3
Deferred compensation retirement plan \| Base salary
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Participants annual salary contributions, percentage	50.00%	2500.00%
Deferred compensation retirement plan \| Annual bonus
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Participants annual salary contributions, percentage	100.00%
Deferred compensation retirement plan \| Officer \| Base salary
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Limit of employee's contribution of base salary, percent	10.00%
Deferred compensation retirement plan \| Key employee \| Annual bonus
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Limit of employee's contribution of base salary, percent	8.00%